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54results about How to "Not easy to interfere with each other" patented technology

Method, device and synchronous system for sending and receiving synchronous information

The invention relates to a method, a device and a synchronous system for sending and receiving synchronous information; wherein, the method comprises the steps as follows: a plurality of different groups of long complementary Golay sequence pairs are generated by short complementary Golay sequence pairs; long complementary Golay sequence pairs are selected out of a plurality of different groups of long complementary Golay sequence pairs and distributed to all transmitting antennas; time-domain synchronous sequences are generated according to all selected complementary Golay sequences; orthogonal frequency division multiplexing modulation (OFDM) is carried out on the time-domain synchronous sequences so as to generate OFDM symbols; the OFDM symbols are respectively sent by all corresponding transmitting antennas after cyclic prefix (CP) is added. The method, the device and the system can be used for the synchronization of distribution-typed multi-antenna OFDM systems; adjacent districts are not easy to be disturbed by each other; accuracy of time delaying and frequency offset estimation is improved, the realization is simple and the stability of match performance is high.
Owner:HUAWEI TECH CO LTD +1

Drill rod assembly of pile driver

The invention belongs to the technical field of construction equipment and in particular relates to a drill rod assembly of a pile driver, aiming at solving the problem of an existing pile driver that a grout spraying area is small and the like. The drill rod assembly comprises a hollow drill rod body, wherein a drill bit pointed-cone-shaped part is arranged at one end of the drill rod body; a spiral drill bit blade, which is arranged in a spiral shape, is arranged at the circumferential outer side of one end, provided with the drill bit pointed-cone-shaped part, of the drill rod body; one end of the spiral drill bit blade extends to the drill bit pointed-cone-shaped part and the other end of the spiral drill bit blade is connected with a grout spraying seat which is arranged at the outer side of the drill rod body in the radial direction; at least one grout spraying hole connected with the inner part of the drill rod body is formed in one side, toward the drill bit pointed-cone-shaped part, of the grout spraying seat; the hole diameter of each grout spraying hole is gradually increased from inside to outside. The drill rod assembly of the pile driver has the advantages that a blocking phenomenon does not easily occur in a grout spraying process; the grout spraying area is large, and slurry is sprayed out in a sector shape; the grout spraying effect is good; the drill rod has good stability when rotating in the peripheral direction, and a swinging phenomenon does not easily occur; the efficiency of drilling the hole by the drill rod is improved and drill rods are not easy to be mutually interfered.
Owner:浙江兆弟技术有限公司

Illuminating apparatus of motorcycle

The invention discloses a lighting device for a motorcycle. The motorcycle comprises a vehicle body, a vehicle head pivoted on the vehicle head, a front wheel arranged at the front end of the vehicle body, a rear wheel arranged at the rear end of the vehicle body opposite to the front wheel and power unit driving the front wheel and a rear wheel. The vehicle body is provided with a vehicle body front cover, and the vehicle head is provided with a vehicle head front cover. The lighting device comprises a headlight set, as least one position light set and two directional light sets. The headlight set is arranged on the vehicle head front cover, and the position light set and the directional light sets are arranged on the vehicle front cover. The light beams projected from the large light set, the position light set and the directional light sets do not interfere one another. Thus, the identification rate of the motorcycle is improved and the riding safety of the motorcycle is improved effectively.
Owner:KYMCO

Discharging device for preventing clamping and for fastening buckles

The invention discloses a discharging device for preventing clamping and for fastening buckles. A discharging opening is formed in the bottom of a discharging box, the other end of a resetting springis fixedly connected to the inner wall of the left side of the discharging opening, two sets of driving rollers are arranged at the lower end opening of the discharging opening, the centers of the front and back ends of the two sets of driving rollers are fixedly connected with a driving shaft, and a buffering groove is formed in the surface of a transferring belt; and a partition plate is arranged in the buffering groove, an air suction box is arranged in the transferring belt, an exhaust fan is fixedly arranged at the bottom of the inner side of the air suction box, and the exhaust fan communicates with an air suction pipe. According to the discharging device, the partition plate on the transferring belt can make the tightening buckles fall in zones one by one on the transferring belt, interference is unlikely to happen, and neatly arranging for transmission can be achieved; and the fastening buckles can be blocked through a moving baffle in the discharging process in the dischargingopening, when the fastening buckles are propped against the baffle, the moving baffle is opened to make the fastening buckles fall onto the transferring belt, a certain buffering effect is achieved,and the fastening buckles are unlikely to wear.
Owner:盐城格圣机械有限公司

Vertical double-layer eight-rotor flying robot

PendingCN109178299ARetain stabilityCombined torque zeroRotocraftWork abilityReaction speed
The invention provides a vertical double-layer eight-rotor flying robot, which comprises a control module, a robot body and a power unit, wherein the power unit comprises a lifting part and a thrust part; the lifting part comprises four lifting rotors evenly distributed around the robot body; the lifting rotors are located in the same horizontal plane and at the same distance from the robot body;the thrust part includes four thrust rotors evenly distributed around the robot body; the thrust rotors are located in the same horizontal plane and at the same distance from the robot body; the lifting rotors are horizontal rotors, and the rotational speeds of adjacent lifting rotors are the same but the rotational directions are opposite; and the thrust rotors are vertical rotors, and the rotational speed of adjacent thrust rotors is the same but the rotational direction is opposite. The vertical double-layer eight-rotor flying robot innovatively uses the non-planar layout of the rotor, which not only maintains the stable working ability of the existing UAV in the air, but also solves the problem that the reaction speed of the UAV is slow when the UAV performs complex actions, at the same time, the redundant actions in the working process are minimized as far as possible, so that the working efficiency of the UAV is maximally improved.
Owner:FUZHOU UNIV

System and method for detecting position of locomotive in train

The invention discloses a system for detecting the position of a locomotive in a train. The system comprises a signal collection module which is provided with at least two collectors which are installed at the inner side of a steel rail of a train arrival position detection point at intervals, wherein each collector is used for outputting a collection signal containing wheelbase information between front and rear adjacent wheel pairs of the train when the current train passes through the current position; and a locomotive detection module which is used for receiving the collection signal transmitted by each collector, determining the unit axle distance between the front and rear adjacent wheel pairs of the current train based on the collection signal, diagnosing whether each wheel pair and the previous wheel pair belong to the same bogie in real time, acquiring the fixed axle distance of a carriage which is running through the detection point, and according to the fixed axle distance, determining the type of the current carriage by using a preset wheelbase discrimination threshold value of different carriage types, wherein the carriage types include passenger cars, trucks and electric locomotives. According to the method, different types of carriages in the train running at a high speed can be identified in real time, and the position of the locomotive in the train can be detected in real time.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Electronic tag-based neutral section passing method, electronic tag, reader and system

The invention discloses an electronic tag-based neutral section passing method, an electronic tag, a reader and a system, and the method comprises the following steps: S1, reading the electronic tag installed on a train through the reader installed at a neutral section control point, and obtaining first data stored on the electronic tag, wherein the first data comprises marshalling data and marshalling position data, wherein the marshalling data is used for representing the number of current collecting vehicles in the train marshalling, and the marshalling position data represents the marshalling position of the current collecting vehicles in the train; and S2, determining the passing state of the train in a split-phase area according to the first data read by the reader, and controlling the electric energy output of the neutral section passing device to realize the automatic neutral section passing of the train. The method has the advantages that the method is not liable to be interfered by adjacent vehicles, uplink and downlink vehicles are not liable to interfere with each other, codes can be verified according to an encoding protocol, error code information is greatly reduced,the reliability of train position detection information is improved, the cost is low, and the service life is long.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Connector component

The invention discloses a connector component. The connector component comprises a first connector and a second connector, wherein the first connector comprises an insulating base, a signal isolator,a first group of signal terminals and a second group of signal terminals, wherein the first group of signal terminals and the second group of signal terminals are fixed on the insulating base, the first group of signal terminals comprises a plurality of first signal terminals, the second group of signal terminals comprises a plurality of second signal terminals, and the signal isolation piece is fixed on the insulating base. The second connector comprises an insulating base body, a first buckling piece, a first group of conductive terminals and a second group of conductive terminals; the insulating base body is provided with a third butt joint groove. The signal isolation piece is inserted into the third butt joint groove, the first buckling piece is connected with the signal isolation piece in a buckled mode, the first group of conductive terminals comprises a plurality of first conductive terminals, the second group of conductive terminals comprises a plurality of second conductive terminals, and the first conductive terminals and the second conductive terminals make contact with the first signal terminals and the second signal terminals respectively. The connector component hasthe advantages of the reliable connection and the stable transmission.
Owner:SHENZHEN YAQI TECH CO LTD

Multichannel ultrahigh radio frequency identification system

The invention discloses a multichannel ultrahigh radio frequency identification system which comprises an RFID (radio frequency identification) reader-writer, a radio frequency switch control board and a radio frequency coaxial cable. A low-pass filter, a band-pass filter and a high-pass filter are respectively added at power ends, control ends and radio frequency signal ends of the RFID reader-writer and the radio frequency switch control board, so that power, control signals and radio frequency signals share the radio frequency coaxial cable for transmission and are not easily mutually interfered, and the system effectively solves the technical problem that an RFID reader-writer and a radio frequency switch control board are complicatedly wired and easily generate faults.
Owner:XIAMEN XINDECO IOT TECH

Unmanned plane and unmanned plane operating and controlling method and system based on white spectrum

The invention discloses an unmanned plane and an unmanned plane operating and controlling method and system based on a white spectrum, and the system comprises a controller and a system console. The method comprises the steps: carrying out the matching of the unmanned plane and the controller through the system console; receiving a control instruction sent by the controller, carrying out the encryption and / or modulation of the control instruction and then outputting the control instruction, transmitting the control instruction to the unmanned plane in a mode of radio waves through a first signal receiving and transmitting unit, and receiving a signal transmitted by the unmanned plane to the system console in the mode of radio waves through the first signal receiving and transmitting unit, wherein the frequency band of the radio waves is within the range of the white spectrum. The system and the unmanned plane employ the wireless signal at the band of the white spectrum for communication. The signal transmission distance is several kilometers or dozens of kilometers or more farther than the signal transmission distance of a conventional wireless product. Moreover, the bandwidth resource is more abundant, and the wireless control coverage of the unmanned plane is enlarged. In addition, the system is not liable to interfere with the conventional WIFI and wireless frequency.
Owner:深圳市三合信义科技发展有限公司

Six-freedom-degree parallel robot mechanism

The invention discloses a six-freedom-degree parallel robot mechanism. The six-freedom-degree parallel robot mechanism comprises a fixed platform, a moving platform and three dual-drive composite motion branch chains connected between the fixed platform and the moving platform in parallel. Each dual-drive composite motion branch chain is composed of a plane five-rod mechanism, and the structure ofeach dual-drive composite motion branch chain comprises two drive devices used for driving two drive assemblies in the branch chain. The fixed platform and the dual-drive composite motion branch chains are connected through rotating pairs, and the moving platform and the dual-drive composite motion branch chains are connected through spherical hinges. According to the six-freedom-degree parallelrobot mechanism, compared with other six-freedom-degree parallel robot mechanisms, the moving platform in the mechanism is only constrained by the three composite motion branch chains, the number of the motion branch chains is small, and the six-freedom-degree parallel robot mechanism has the advantages of being large in rotating capacity, large in work space and the like.
Owner:NANJING UNIV OF SCI & TECH

Communication control method and system of valve hall device inspection robot and electronic device

ActiveCN111941388AHigh precisionRealize independent communication controlProgramme-controlled manipulatorInterference (communication)Control signal
The invention discloses a communication control method and system of a valve hall device inspection robot and an electronic device. The method comprises the steps that a first control instruction anda second control instruction are generated corresponding to a target inspection robot according to a preset inspection route, wherein the first control instruction comprises an inspection position ofthe target inspection robot, the second control instruction comprises an inspection operation of the target inspection robot; the first control instruction is sent to a power control box connected with a rail sliding table where the target inspection robot is located through a first channel, so as to indicate the power control box to control the rail sliding table to enable the target inspection robot to move to the inspection position; and the second control instruction is sent to a detection control box connected with the target inspection robot through a second channel, so as to indicate the detection control box to control the target inspection robot to complete the inspection operation when the target inspection robot reaches the inspection position. By implementing the embodiment ofthe invention, interference between different control signals received by the inspection robot can be reduced, and the accuracy of controlling the inspection robot is improved.
Owner:GUANGZHOU BUREAU CSG EHV POWER TRANSMISSION

System and method for judging position of locomotive in train

The invention discloses a system for judging a position of a locomotive in a train. The system comprises a train type detection device, an approaching target detection device and a data processing device, wherein the train type detection device is disposed at a rail at a first position, and is used for collecting a first signal when the train passes through a current position; the approaching target detection device is arranged at a second position rail close to the target position and is used for collecting a second signal when the train runs from the first position to the second position; and the data processing device is used for determining the axle distance between the adjacent wheels and the section number position of the to-be-identified locomotive in the train according to the first signal, and then generating an instruction for prompting the to-be-identified locomotive to reach the target position when the first wheel of the to-be-identified locomotive presses the second position according to the second signal and in combination with the section number position. The locomotive position can be directly judged, reliability is high, cost is low, engineering is easy to achieve, redundancy check of locomotive arrival instructions is achieved, and the system is suitable for various ground passing over phase-splitter devices.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Fire-resistant cable manufacturing method

The invention relates to the technical field of cable manufacturing, and discloses a fire-resistant cable manufacturing method comprising the following steps: conductor manufacturing: stranding conductors; insulation manufacturing: extruding an insulation outer layer outside the conductor to form an insulation wire core; fire-resistant manufacturing: longitudinally wrapping a mica layer of which the inner surface is provided with a hot melt adhesive outside the insulating wire core, then fixing the mica layer by adopting a ribbon, and then feeding into a drying oven for heating to enable the mica layer to be tightly bonded with the insulating outer layer and the mica layer to form a fireproof wire core; pair twisting: twisting the two fire-resistant wire cores together to form a twisted pair; cabling: twisting a plurality of twisted pairs together to form a multi-twisted wire; braiding: longitudinally wrapping an aluminum foil layer outside the multi-stranded wire, and braiding a braided layer outside the aluminum foil layer to form a braided cable core; and extruding a sheath: extruding a thermoplastic material layer outside the braided cable core. The method is high in productionefficiency, simple and convenient to manufacture and cost-saving, and the produced cable is excellent in fire resistance and transmission performance and good in anti-interference performance.
Owner:ZHEJIANG ZHENGDAO CABLE CO LTD

Grid type soil moisture content monitoring system and method based on Internet of Things

The invention discloses a grid type soil moisture content monitoring system and method based on the Internet of Things, and belongs to the field of farmland soil moisture content monitoring, the gridtype soil moisture content monitoring system comprises a soil temperature and humidity probe, a soil moisture content node, a soil moisture content gateway and a cloud server, and the soil temperatureand humidity probe transmits soil temperature and humidity data to the soil moisture content node; the soil moisture content node comprises a first LORA wireless module, a GPS module and a first MCUcontroller, and sends soil temperature and humidity data and GPS geographical location information to the soil moisture content gateway; the soil moisture content gateway comprises a second LORA wireless module, an Internet communication module and a second MCU controller which are in communication connection with the first LORA wireless module, and is used for summarizing data uploaded by all soil moisture content nodes and sending the data to the cloud server; and the cloud server comprises a data storage center and a big data analysis center which are used for storage and analysis. The soilmoisture content monitoring system solves the problems that an existing soil moisture content monitoring system is too high in equipment investment cost, a measurement mode has great contingency, andmeasurement is inaccurate.
Owner:河南锐利特计算机科技有限公司

Touch panel device and electrode structure thereof

The invention discloses a touch panel device and an electrode structure thereof. The touch panel device comprises a touch panel, a first sensing electrode and a second sensing electrode, wherein the touch panel is of a rectangular plate-shaped structure; a second groove and a first groove are formed in the upper surface of the touch panel; both the second groove and the first groove are of rectangular groove-shaped structures; both the first sensing electrode and the second sensing device are fixed in the grooves in the touch panel through a separation plate, and after long-time using or falling damages, the electrode structure on the touch panel does not encounter the phenomena such as poor contact and position offset, so that the using is convenient; and the first sensing electrode and the second sensing electrode on the touch panel are separately set, and when one electrode is damaged, the separation plate is dismounted to carry out separate change, and the original overall change manner is replaced, so that the using cost is saved, the using is convenient and popularization can be carried out.
Owner:SHENZHEN ZHILING WEIYE TECH

Method, device and synchronous system for sending and receiving synchronous information

The invention relates to a method, a device and a synchronous system for sending and receiving synchronous information; wherein, the method comprises the steps as follows: a plurality of different groups of long complementary Golay sequence pairs are generated by short complementary Golay sequence pairs; long complementary Golay sequence pairs are selected out of a plurality of different groups of long complementary Golay sequence pairs and distributed to all transmitting antennas; time-domain synchronous sequences are generated according to all selected complementary Golay sequences; orthogonal frequency division multiplexing modulation (OFDM) is carried out on the time-domain synchronous sequences so as to generate OFDM symbols; the OFDM symbols are respectively sent by all corresponding transmitting antennas after cyclic prefix (CP) is added. The method, the device and the system can be used for the synchronization of distribution-typed multi-antenna OFDM systems; adjacent districts are not easy to be disturbed by each other; accuracy of time delaying and frequency offset estimation is improved, the realization is simple and the stability of match performance is high.
Owner:HUAWEI TECH CO LTD +1

Connecting pin for bottle supporting platform

The invention discloses a connecting pin for a bottle supporting platform. The connecting pin for the bottle supporting platform is characterized by comprising a pin cap 1 and a pin body 2, wherein the pin cap 1 is composed of a circular truncated cone 3-1 and a circular truncated cone 3-2, the size of the circular truncated cone 3-1 is different from that of the circular truncated cone 3-2, anti-slip sections 4 are arranged on the symmetrical faces of the pin cap 1, and the pin body 2 is composed of cylinders with different diameters. According to the connecting pin for the bottle supporting platform, the pin does not protrude out of the platform, and mutual interference between the pin and the platform can not occur easily; looseness does not occur easily due to the fact that interference connection is achieved through the pin.
Owner:SUZHOU BODENA TECH

High-temperature submersible motor protector

The invention provides a high-temperature submersible motor protector, and the protector comprises a thrust bearing, wherein the thrust bearing is arranged in the middle of the protector and located in a thrust bearing cavity, and an upper end balance cavity and a lower end balance cavity are formed in the upper end and the lower end of the thrust bearing cavity respectively. The thrust bearing cavity is communicated with an inner cavity of the high-temperature submersible motor through the lower end balance cavity; the protector further comprises a protector shaft penetrating through the whole protector. According to the invention, normal work of the thrust bearing is facilitated, heat dissipation in the motor oil circulation process is also facilitated, the internal temperature of the motor is further reduced, distortion of the protector shaft is reduced, and the rigidity of the protector shaft is improved.
Owner:TONGYI TECH CO LTD SHENYANG UNIV OF TECH

Ground automatic neutral section passing device

A ground automatic neutral section passing device comprises a locomotive position detection module which is used for acquiring locomotive position information through pressure detection and generating a corresponding locomotive position signal; a control module is connected with the locomotive position detection module and is used for generating a corresponding switch control signal according to the locomotive position signal; a neutral section passing execution module, wherein a control port of the neutral section passing execution module is connected with the control module, a plurality of power ports of the neutral section passing execution module are connected with the first power supply area, the neutral area and the second power supply area respectively, and the neutral section passing execution module is used for switching electric connection between the neutral area and the first power supply area and between the neutral area and the second power supply area according to the switch control signals. The device directly judges the position of the locomotive through the weight, so that the device is not easy to be interfered by adjacent vehicles, uplink and downlink vehicles are not easy to interfere with each other, and the reliability is higher. Meanwhile, the detection mode of the device is more direct and accurate compared with the previous detection mode, and the later maintenance workload is small.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Portable and easily retractable multi-clip clothes hanger

The invention discloses a portable and easily retractable multi-clip clothes hanger, and belongs to the field of clothes hangers. The portable and easily retractable multi-clip clothes hanger comprises a plurality of pairs of strip-shaped plates and a pair of side connecting plates, wherein the two ends of each strip-shaped plate are respectively connected with the pair of side connecting plates,each pair of strip-shaped plates is symmetrical with respect to the middle point of the side connecting plates, hooks are arranged on the upper sides and the lower sides of the side connecting plates,the hooks are located at the central position between the pair of side connecting plates, threading holes are drilled in two sides of the upper ends of the side connecting plates, and pull ropes areinserted into the threading holes. By arranging a clamping and hanging device, the multi-clip clothes hanger has two functions of clamping and hanging conveniently, switching between the two functionscan be completed only through overturning, switching speed is high, a user can select which function to use according to needs, the selectivity of the using functions of the multi-clip clothes hangeris increased, the multi-clip clothes hanger is not prone to idle when not clamping clothes, and waste of resources is avoided. Moreover, the multi-clip clothes hanger is tidier and more attractive when being placed, and clips are not prone to interfere with one another.
Owner:YIWU INDAL & COMMERICAL COLLEGE

All-round cleaning equipment for automobile air-conditioning inner room pipes

The invention relates to automobile air conditioner indoor pipeline omni-directional cleaning equipment. The automobile air conditioner indoor pipeline omni-directional cleaning equipment comprises air supply systems, a first liquid storage system used for conveying first cleaning liquid, a cleaning pipe, a control system and a photographic device. Outlets of the air supply systems and an outlet of the first liquid storage system communicate with the cleaning pipe; the photographic device comprises a guide pipe capable of extending into an automobile air conditioner indoor pipeline, an illuminating device arranged on the guide pipe and a camera; and the illuminating device, the camera, the air supply systems and the first liquid storage system are all connected to the control system. The automobile air conditioner indoor pipeline omni-directional cleaning equipment has the advantages of being simple in structure and high in cleaning and sterilizing efficiency.
Owner:石狮市和溪汽车清洗设备商行

Spring and polygonal vertical linear vibration motor

The present invention provides a spring and a polygonal vertical linear vibration motor, and relates to the technical field of vertical linear vibration motors. The spring is applied in a polygonal vertical linear vibration motor. The spring comprises an inner ring and a plurality of force arm modules connected with the periphery of the inner ring; each force arm module comprises two sub force arms which are mutually symmetrical, one ends of the two sub force arms are connected with the periphery of the inner ring, and the other ends of the two sub force arms are connected. There are many force arms of the spring, the vibration process is small in noise, small in internal stress and long in vibration fatigue life.
Owner:SICHUAN AWA SEIMITSU ELECTRIC CO LTD

Foldable anastomat anvil base

The invention discloses a foldable anastomat anvil base, and belongs to the field of anastomat anvil bases. The foldable anastomat anvil base comprises an anvil rod and a pair of semicircular anvils which can be spliced into a complete circle; one ends, close to the anvil rod, of the pair of semicircular anvils are both fixedly connected with connecting pieces respectively; an anvil assembly is connected between the anvil rod and the connecting pieces, so that switching of the anvil rod and the semicircular anvils between a vertical state and a horizontal state can be realized through a firstassembly conveniently, and unfolding and closing of the pair of semicircular anvils can be realized through a second assembly conveniently, so that the reduction of the cross section of the device placed in an esophagus is realized effectively, the device can pass through the narrow esophagus conveniently and can return to the working state after reaching the designated position; and in addition,an elastic contraction part is arranged for assisting rapid recovery, and switching from a placing state to the working state is realized by being tightly close to a cut-off rope, so that the foldableanastomat anvil base is very convenient and rapid, the operation difficulty is greatly reduced, and the surgical efficiency is improved.
Owner:HANGZHOU LESHOU TECH CO LTD

A portable and easy-to-fold multi-clamp hanger

The invention discloses a portable and easy-to-retractable multi-clip hanger, which belongs to the field of clothes hangers. A portable and easy-to-retractable multi-clip clothes hanger comprises a plurality of pairs of strip plates and a pair of side connecting plates. The two ends of the strip plates are respectively It is connected with a pair of side connecting plates, and each pair of strip plates is symmetrical about the midpoint of the side connecting plates, and the upper and lower sides of the side connecting plates are provided with hooks, and the hooks are located in the center between the pair of side connecting plates, Threading holes are dug on both sides of the upper end of the side connecting plate, and a pull rope is inserted in the threading hole, which can be realized by setting a clamping device, so that the multi-clip clothes hanger has two functions of clamping and hanging, and the two functions can be separated. The switching of the multi-clip hanger is only done by flipping, so that the switching speed is very fast, and the user can choose which function to use according to the needs, which increases the choice of the function of the multi-clamp hanger, making the multi-clip hanger not easy to idle when not clamping clothes , a waste of resources, and the multi-folder hanger is more neat and beautiful when placed, and the clips are not easy to interfere with each other.
Owner:YIWU INDAL & COMMERICAL COLLEGE
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