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53results about "Measurement instrument braking" patented technology

Method and Pulse-Width-Modulated Current Control Circuit For Driving Inductive Loads in Motor Vehicles

ActiveUS20110057645A1Precise and reliable settingBrake control systemsDc-dc conversionElectronic controllerLow-pass filter
Method in which the current is measured inside an integrated PWM control circuit using at least one A / D converter which is likewise integrated in the circuit is described. The PWM controller is provided for the purpose of driving inductive loads and is arranged, in particular, in an electronic circuit of an electronic controller for a motor vehicle braking system. Before determining the actual current of the PWM controller, which is determined using the at least one A / D converter, the current is smoothed using a low-pass filter. A circuit arrangement for carrying out the above method and its use in electronic motor vehicle control systems is also described herein.
Owner:CONTINENTAL TEVES AG & CO OHG

Capacitor coupled voltage transformer and its input voltage parameter determination

Accurate harmonic measurements on electrical power systems where the main instrument transformers are of the capacitor coupled voltage type (CVT type) is made possible by the provision of one or more current sensors (PQCS1, PQCS2). CVTs typically have a high voltage capacitor bank (CH) and a low voltage capacitor bank (CL). One or more current sensors (PQCS1, PQCS2) is / are positioned so as to measure capacitor current and from that the input voltage (Vin) of the CVT can be determined for each frequency.
Owner:GHASSEMI FOROOZAN

Method and Electronic Regulator With A Current Measuring Circuit For Measuring The Current by Sense-Fet and Sigma-Delta Modulation

An electronic controller for motor vehicle control systems having at least one valve actuation circuit is described herein. The electronic controller uses pulse width modulation to control the load current (iL) flowing through an essentially inductive load (L), and has at least one electronic current measuring circuit which has at least one analog / digital converter which converts an analog measurement signal for the load current (iL) into a digital measurement signal for the load current (iL). The at least one analog / digital converter is a sigma-delta modulator. A method for measuring current using sigma-delta modulation and to the use of the electronic controller in a motor vehicle brake system is also described herein.
Owner:CONTINENTAL TEVES AG & CO OHG

Automatic testing system for capacitive touch switch

The invention relates to an automatic test system for a capacitive touch switch. The automatic test system comprises a base for placing a to-be-tested product and an upper computer. The system is characterized in that the system also comprises a simulated finger assembly located above the base and a driving device for driving the simulated finger assembly to move up and down; the driving device drives the simulated finger assembly to move downwards to be in contact with the to-be-detected product so as to change the capacitance value of the to-be-detected product; a processing module is arranged in the base, wherein one end of the processing module is electrically connected with a product to be detected in a matched mode to receive a capacitance value change signal, and the other end of the processing module is connected with an upper computer to transmit the capacitance value change signal to the upper computer. The automatic test system is high in detection efficiency and good in reliability.
Owner:宁波华联电子科技有限公司

Charging pile testing device

The invention discloses a charging pile testing device. The testing device comprises a shell; a damping block is fixedly connected to the inner side wall of the shell. The front surface of the dampingblock is fixedly connected with an electric appliance element; first shells are evenly and fixedly connected to the upper surface of the electric appliance element, first springs are fixedly connected to the bottoms of the inner side walls of the first shells, first supporting rods are fixedly connected to the ends, away from the first shells, of the first springs, and the outer side walls of thefirst supporting rods are slidably connected to the inner side walls of the first shells. The damping block, the first springs, the second spring and other structures are arranged in a matched mode;a shock absorption effect is achieved between the electric appliance element and the shell; therefore, when the device falls off, buffering and force unloading effects are achieved between the electric appliance element and the shell, the electric appliance element is prevented from being damaged, the fourth plate body, the second rod body and other structures are arranged in a matched mode, a wire bunching effect can be achieved on a wire, and therefore the device is convenient to use.
Owner:宋斌强

Electricity meter detection assembly line

The invention discloses an electricity meter detection assembly line, which comprises an electricity meter detection unit, a conveying mechanism and a conveying transition device, wherein the electricity meter detection unit is composed of a clamp type mechanical arm and an automatic detection mechanism, the clamp type mechanical arm can effectively prevent errors caused by a gap between a gear and a motor, and is matched with a sliding base to replace manual wire insertion, the automatic detection mechanism is provided with a plurality of different types of detection terminal groups, the detection terminal groups can be replaced through rotation so as to achieve the detection of ammeters with different indexes, the conveying mechanisms can effectively reduce the space occupied by the detection assembly line and can be combined at will, and the conveying transition device can achieve transition conveying according to the distance between the different conveying mechanisms. The ammeter detection assembly line can automatically complete the detection of the ammeter according to different indexes, effectively replaces the manual detection of the ammeter, and has the advantages of multiple detection types, high automation degree, high adjustability and high detection efficiency.
Owner:ZHEJIANG WELLSUN INTELLIGENT TECH CO LTD

Protection device of electronic element measuring instrument

The invention discloses a protection device of an electronic element measuring instrument. The protection device comprises a casing, wherein an installing plate is arranged at the bottom of the casing; first springs positioned on the casing are symmetrically arranged at the bottom end of the installing plate; installing strips are symmetrically arranged at the top end of the installing plate; symmetrical position limiting posts are arranged at the two ends of the installing plate in a penetrating way; the position limiting posts are fixed with the bottom end of the casing; connecting plates positioned at the two sides of the casing are arranged at the top end of the position limiting posts; an opening is formed in the middle part of the casing; the middle part of the opening is respectively provided with a wire inlet and a wire outlet; a first sealing strip is arranged at the top end of the opening; a second sealing strip is arranged at the bottom end of the opening; a rotating shaft connected with the casing is arranged at one end of the opening; an upper threaded half shaft is arranged at the top of one side, far away from the rotating shaft, of the opening; a lower threaded halfshaft is arranged at the bottom end of the upper threaded half shaft. The protection device has the beneficial effects that a protection device installing instrument is convenient; dust and moisturecan be effectively prevented from entering the instrument; the collision received in the use process can be buffered; the service life of the instrument is prolonged.
Owner:合肥格骄电子科技有限公司

Method and electronic regulator with a current measuring circuit for measuring the current by sense-FET and sigma-delta modulation

An electronic controller for motor vehicle control systems having at least one valve actuation circuit is described herein. The electronic controller uses pulse width modulation to control the load current (iL) flowing through an essentially inductive load (L), and has at least one electronic current measuring circuit which has at least one analog / digital converter which converts an analog measurement signal for the load current (iL) into a digital measurement signal for the load current (iL). The at least one analog / digital converter is a sigma-delta modulator. A method for measuring current using sigma-delta modulation and to the use of the electronic controller in a motor vehicle brake system is also described herein.
Owner:CONTINENTAL TEVES AG & CO OHG

Probe test bench for semiconductor processing

The invention discloses a probe test bench for semiconductor processing, and belongs to the field of semiconductor processing. A probe test bench for semiconductor processing comprises a base and a test platform, the test platform is located on the base, a test mechanism is arranged on the test platform, a test instrument is arranged in the base, the test mechanism is electrically connected with the test instrument, a moving groove is formed in the test platform, a fixing plate is slidably connected in the moving groove, a placement groove is formed in the fixing plate, a cavity is formed in the fixing plate, and the cavity is located below the placement groove. According to the invention, through the arrangement of the cavity, the heat conducting plate, the air pumping and exhausting mechanism, the air bin and the heating mechanism, the influence of temperature change on the performance of the semiconductor is conveniently tested, through the arrangement of the clamping mechanism, the semiconductor is conveniently clamped and fixed, and through the arrangement of a moving groove, a threaded rod and a fixed plate, the position of the semiconductor is conveniently adjusted; and the arrangement of an air pipe, a second rotating shaft and fan blades facilitates heat dissipation and cooling of the test instrument.
Owner:高必静

Electronic component mobile test equipment

The invention discloses electronic component mobile test equipment, which structurally comprises a detection table, an electric controller, a working bracket, a data display screen and an electric test pen, wherein the lower surface of the detection table is fixedly connected with the surface of the working bracket in an embedded manner, the left side of the working bracket is fixed with the surface of the tail end of the electric controller through a bolt, the inner side of the electric controller is movably matched with the interior of the data display screen, the whole data display screen is connected with the surface of the working supporting frame in a nested mode, the top end of the electric testing pen is in clearance fit with the surface of the detection table, the detection table comprises a testing groove, an equipment sleeve table and a table supporting plate, and the surface of the table supporting plate is connected with the bottom part of the equipment sleeve table in an embedded mode. The electronic component mobile test equipmentimproves the handle holding hand feeling of an operator through using a balance strip, when testing is needed, a user only needs to hold and press the balance strip with a hand to enable an internal movable block to go down a slope inwards to stretch a rope and a stabilizing rod, an internal lead block drives a lower end pressing rod column to movably extrude an internal hook spring in a displacement cavity for pressure decomposition, the stability of the electric testing pen is improved, and the problem of element precision error of the test equipment caused by shaking is effectively avoided.
Owner:ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE

Low-frequency receiver coil suspension system

An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a platform; a coil for measuring EM signals; and first to third suspension mechanisms located between the platform and the coil so that the coil oscillates relative to the platform, and the first to third suspension mechanisms attenuate motion induced noise introduced by towing the receiver system above ground.
Owner:CGG SERVICES SA

Intelligent garage fault detection device

The invention discloses an intelligent garage fault detection device. A fault detection device body is fixed in a shell by adopting the shell and an internal structure; when the device is used, the device is moved and placed for detection; the fault detection device body vibrates; at the moment, the vibration causes the mounting plate to slide up and down in the shell; the supporting rod is drivento move up and down, the supporting rod drives the piston to slide up and down in the cavity, pressure change in the cavity is caused, a certain buffering effect can be achieved, and at the moment, the cylindrical block moves up and down in the shell, the sliding rod moves up and down in the sliding groove, and the spring is stretched or compressed, so that a certain buffering effect can also beachieved. The fault detection device is simple in structure and high in practicability, the fault detection device body can be effectively protected, long-time movement and placement are prevented from being affected by vibration and damaged, the service life of the fault detection device body is prolonged, and the detection precision is improved.
Owner:SICHUAN TECH & BUSINESS UNIV

Anti-drop multimeter

The invention discloses an anti-drop multimeter. The anti-drop multimeter comprises a multimeter body; the multimeter body is provided with an anti-fall structure along the surrounding edge of the multimeter body in the length direction of the multimeter body; the anti-drop structure comprises a first connecting portion, a second connecting portion and a decorative pressing bar; the first connecting portion and the second connecting portion are connected through a bolt; and the first connecting portion and the second connecting portion each comprise a U-shaped clamping slot and a connecting plate. According to the anti-drop multimeter of the invention, anti-fall components are adopted, and therefore, damage caucused when the corners of the multimeter body touch the ground can be avoided; when the multimeter body falls horizontally, the surrounding edge of the multimeter body is clamped between opposite buffering plates of the first connecting portion and the second connecting portion with the anti-fall structure adopted; and the buffering plates, buffering cushions and clamping heads cooperate with one another, so that huge vibration generated during the falling process of the multimeter body can be avoided.
Owner:HEFEI LONG DUO ELECTRONICS SCI & TECH

Portable circuit board test bed

The invention provides a portable circuit board test bed, and belongs to the technical field of circuit board testing. The portable circuit board test bed comprises a supporting mechanism, a buffering mechanism and a plurality of probes; the supporting mechanism comprises an outer shell, first ventilation openings, second ventilation openings, a first magnet, an inner shell, a first ventilation cavity, a ventilation groove, a second ventilation cavity, annular protruding edges and a mounting table; and the front end, the rear end, the left end and the right end of the top of the outer shell are each provided with the plurality of first ventilation openings; the plurality of annular protruding edges are arranged on the inner side of the outer shell and the outer side of the inner shell; the buffering mechanism is used for providing buffering for an objective table; and the plurality of probes are fixedly connected to the top end of the mounting table. Through cooperation of a miniature ion fan, the ventilation groove, the first ventilation cavity, the annular protruding edges, the second ventilation cavity, the first ventilation openings, the second ventilation openings and third ventilation openings, static electricity carried by the test bed is neutralized, and the static electricity is prevented from damaging a circuit board and the test bed.
Owner:ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE

Electric leakage fault detector

The invention relates to the technical field of power equipment, in particular to an electric leakage fault detector which comprises a shell, a detector body is arranged in the shell, and the electric leakage fault detector further comprises a protection frame which sleeves the detector body; the protective frame is located in the shell, and the protective mechanism is located in the shell and connected with the protective frame; wherein the protection mechanism comprises a control assembly and a damping assembly, the control assembly is connected with the shell and the protection frame and located at the bottom of the detector body, and the damping assembly is connected with the side wall of the shell and slidably connected with the side wall of the protection frame. The detector body can be subjected to damping protection according to the use state, so that the detector body is prevented from being broken down or damaged, the cost is saved, and convenience is provided for workers.
Owner:XIAJIN POWER SUPPLY CO STATE GRID SHANDONG ELECTRIC POWER CO

Portable direct current (DC) charging pile detector

InactiveCN110221151AAvoid damageAvoid the situation of forgetting to turn on the cooling unitElectrical testingMeasurement instrument brakingPhase detectorParticle detector
The invention discloses a portable direct current (DC) charging pile detector. The portable DC charging pile detector comprises a box body, wherein a box cover is hinged with the upper end of the boxbody through a plurality of hinges; a DC charging pile detector body is placed in the box body; a jack assembly is arranged on the DC charging pile detector body; a control device A and a plurality offixing holes are arranged on the jack assembly; and a supporting plate is propped against the lower end of the DC charging pile detector body for connection. The portable DC charging pile detector disclosed by the invention has the advantages that through the arrangement of the additional control device A, a cooling device can start working as soon as an external wire is inserted into the jack assembly, so that the phenomenon that a user forgets to start the cooling device is avoided; and good damping effects can be achieved through the arrangement of an additional damping assembly, so that the shaking effects can be reduced through the damping device during shaking, and damage of electrical elements in the detector body caused by excessive shaking can be further avoided.
Owner:合肥仁德电子科技有限公司

Air cushion type buffer device, UHV generator and vertical lifting method

The invention discloses an air cushion type buffer device, a UHV generator and a vertical lifting method, and belongs to the technical field of UHV generator equipment. When the existing UHV generator is turned over, it will bear a large impact force, which will easily damage the internal components and affect its use accuracy. The air cushion type cushioning device for vertical lifting of the present invention includes an air cushion main body for resisting the equipment to be turned over, and an inflation source for inflating the air cushion main body; the air cushion main body is provided with an inflation valve port for inward air intake, for Vent for external exhaust. The present invention provides an air cushion main body that interferes with the equipment to be turned over, which can hysteresis and buffer the vertical lifting of the equipment to be turned over, and at the same time provide an air outlet that can exhaust outwards, so that the main body of the air cushion is subjected to an extrusion force exceeding the set value. , it can exhaust air through the air outlet to ensure that the equipment to be turned can be lifted slowly; thus, the components of the equipment to be turned can be effectively protected.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER +1

Intelligent voltage detection device for electronic product and detection method thereof

PendingCN113049969AAssess the safety of useEasy to support and holdThermometer detailsElectrical testingElectrical batteryTransformer
The invention relates to the technical field of electronic product detection, and discloses an intelligent voltage detection device for an electronic product and a detection method thereof, and the device comprises a bottom plate, a transverse plate, a transverse rod, a bottom groove, and an industrial control computer. The transverse plate is transversely arranged above the bottom plate, the transverse plate is supported and fixed above the bottom plate through supporting rods, the number of the supporting rods is four, the four supporting rods are supported at the four corners of the lower portion of the transverse plate, and the thermal imaging probes are fixed to the surface of the lower portion of the transverse plate, and the number of the thermal imaging probes is five. The charging transformer is arranged to be matched with the time relay, the electronic device can be charged when needed, the electricity measuring transformer is used for measuring battery data, voltage data of the electronic device before point charging, during charging and when the electronic device is fully charged can be measured, and meanwhile charging voltage and current data can be measured. In a charging process, the thermal imaging probe and the surface-mounted temperature sensor can measure the temperature condition when the electronic device is charged or works, and the use safety of the battery of the electronic device can be evaluated.
Owner:扬州乐军电子科技有限公司

Portable electric energy quality on-site acquisition and analysis device

The invention discloses a portable electric energy quality on-site acquisition and analysis device. The device comprises a protective outer frame, a first top cover and a second top cover are respectively installed on the two sides of the top end of the protective outer frame through hinges, and a fixing assembly is arranged between the opposite sides of the first top cover and the second top cover. An electric energy quality acquisition and analysis mechanism is arranged in the protective outer frame. Symmetrically distributed fans are fixedly clamped to the two sides of the bottom of the protective outer frame. Dust-proof assemblies matched with the fans are movably clamped to the two sides of the protective outer frame. Symmetrically distributed buffer assemblies are fixedly mounted on the two sides of the bottom of the protective outer frame. According to the invention, a control panel and a display screen are separately arranged, the display screen is driven to rotate by rotating a top shell, so that the display screen is convenient to use and protect; and the protective outer frame, the first top cover, the second top cover and the fixing assembly are arranged, so that the electric energy quality acquisition and analysis mechanism is protected by wrapping, and the whole device is convenient to carry and transport.
Owner:上海欣尹电子科技有限公司

Battery core pressing short circuit measuring device

The invention discloses a battery core pressing and short circuit measuring device which is characterized in that the upper end face of a shell is fixedly connected with a turntable mounting base, a feeding turntable motor cavity is formed in the turntable mounting base, a first hydraulic cavity is formed in the upper end wall of the feeding turntable motor cavity, and the upper end face of the shell is fixedly connected with a detection turntable base; the detection turntable base is located on the right side of the turntable mounting base, an oil storage cavity is formed in the detection turntable base, a detection turntable motor cavity is formed in the upper end wall of the oil storage cavity, an indicator lamp mounting cavity is formed in the upper end wall of the detection turntable motor cavity, and a feeding mechanism, a detection mechanism and a collection mechanism are arranged in the machine shell; the air pump can be started when the battery cells with different shapes move to the designated position, the detection mechanism is provided with a conductive spring and a third hydraulic cavity, when the battery cells are detected, the battery cells with different sizes can be detected, and the collection mechanism is provided with a falling buffer block, so that the battery cells can be buffered when falling.
Owner:代孟

Container energy storage system voltage detection device

A container energy storage system voltage detection device disclosed by the present invention comprises a container, the container is provided with a placement groove, the outer side of the placement groove is movably connected with a protective cover, a pressure measurement box is placed in the placement groove, the top side of the pressure measurement box is movably connected with a box cover, and the top of the box cover is fixedly connected with a pair of mounting blocks. The top of the mounting block is connected with a handle through a hinge, the middle of the handle is connected with a rubber sleeve, the rubber sleeve is provided with anti-skid lines, a detected device is connected with the interface, voltage information can be detected and displayed through a display screen on the control panel, and a sponge layer and a spring arranged in the buffer assembly can play a role in buffering. According to the pressure measuring device, the pressure measuring device and devices inside the pressure measuring device are protected, the service life of the pressure measuring device is prolonged, the accuracy of pressure measuring data is guaranteed, the waterproof and anti-collision effects can be effectively achieved through the sliding plate and the connector of the protection assembly, and the pressure measuring device is low in manufacturing cost, convenient to use, practical and high in practical value.
Owner:IANGSU COLLEGE OF ENG & TECH

Multifunctional relay protection testing device

The invention discloses a multifunctional relay protection testing device, and relates to the technical field of relay protection testing, the multifunctional relay protection testing device comprises a machine body, a movable frame is arranged below the machine body, the outer surface of the machine body is movably sleeved with the movable frame, two moving mechanisms are hinged to the bottom surface of the movable frame, and a pull handle mechanism is arranged on the right side of the machine body. A buffering mechanism is arranged below the machine body, and an adjusting mechanism is arranged below the movable frame and located between the two moving mechanisms. The design structure is reasonable, the initial compression amount of a buffer spring can be increased through the matched design of a movable frame, an adjusting mechanism, a moving mechanism and a buffer mechanism, the shaking amplitude of a machine body during jolting is reduced, and the problems that the elasticity is reduced along with the increase of the service time of a buffer device, and when the road surface fluctuates too much, the machine body is damaged are solved. And the shaking amplitude of the device during movement is large, and original parts in the device are prone to being damaged are solved.
Owner:许昌电测智能电力装备有限公司

Conveniently stored heat-dissipating power measurement system

The invention relates to a conveniently stored heat-dissipating power measurement system comprising measurement equipment, wherein the measurement equipment comprises a main body and two test leads, the main body is in the shape of a rectangle, a measurement device is arranged in the main body, clips are provided on both sides of the main body, two test leads are respectively provided on the two clips, the bottom of the main body is provided with two connection holes that correspond to the test leads one by one, the two test leads are connected to the measurement device respectively through two wires that pass through the connection holes, the wires are slidably connected to the inner walls of the connection holes, two connection mechanisms are arranged in the main body and correspond to the wires one by one, and the connection mechanisms comprise a first pulley, a second pulley, a moving plate, a transmission component, a locking component and two reset components. The conveniently stored heat-dissipating power measurement system realizes the functions of improving the heat dissipation effect and facilitating the storage of wires through the connection mechanisms.
Owner:金荣

Capacitive transformer with voltage monitoring system and voltage monitoring method

PendingCN112798842ATimely detection of abnormal voltage problemsLow costMeasurement instrument brakingVoltage/current isolationTransformerPower usage
The invention discloses a capacitive transformer with a voltage monitoring system and a voltage monitoring method. The capacitive transformer comprises a base and a voltage electricity utilization monitoring system, the voltage electricity utilization monitoring system is arranged on one side of the base, the voltage electricity utilization monitoring system comprises a voltage monitoring module, and the voltage monitoring module comprises a data input end; the outward transmission end of the data input end is sequentially connected with a voltage acquisition module for acquiring data and a gateway through electric signals, and the other end of the gateway is connected with a voltage controller, a data output end, a data comparison module and a verification module which are matched with the voltage monitoring module through electric signals. The invention further discloses the voltage monitoring method of the capacitive transformer with the voltage monitoring system, the data comparison module is used for comparing data obtained for the first time to obtain comparison data, so that the voltage stability is monitored, the data obtained after multiple potentials are switched is processed, then the voltage value of the detected voltage is judged, and the numerical value is more reliable.
Owner:SUQIAN GENERAL MACHINERY

Multifunctional cable testing system and using method thereof

The invention discloses a multifunctional cable testing system and a using method thereof. The multifunctional cable testing system comprises a damping, moving and fixing integrated mechanism, the upper end of the damping, moving and fixing integrated mechanism is fixedly installed on the outer wall of the bottom end of a cable testing box body, and a distribution box is arranged on the outer side of the lower end of the cable testing box body; a handle is fixedly installed at the top end of the cable test box body, a signal lamp is arranged outside the left side of the upper end of the cable test box body, a function selection button is arranged at the outer end of the cable test box body on the lower side of the signal lamp, and a switch button is arranged at the outer end of the cable test box body on the lower side of the function selection button; and the left side of the switch button is provided with a storage box, the left end of the storage box is provided with a pulse input interface, and the upper end of the pulse input interface is provided with a regulation and control knob. The device is provided with a high-voltage impact generator with a variable capacitance and an adjustable output voltage for cable fault testing, and is suitable for power cable fault testing of different voltage classes, and meanwhile, moving and carrying are convenient.
Owner:CHINA PETROLEUM & CHEM CORP +1

Multi-station connector plugging mechanism

The invention discloses a multi-station connector plugging mechanism, which comprises a bottom mounting seat, a floating mounting seat, a guide shaft, a bottom elastic piece, a limiting piece, a buffer elastic piece and a single-station assembly; the single-station assembly comprises a connecting bracket, an interface converter, a connector, a butt joint floating end, a sliding end, a mounting piece, a fixing piece and a floating spring; the interface converter is fixed to the connecting support, and the multiple fixing pieces penetrate through the installation piece and the floating spring and are fixed to the butt joint floating end. The bottom elastic piece is located between the floating installation base and the bottom installation base, the limiting piece is fixed to the end of the floating installation base, and the two ends of the buffering elastic piece abut against the limiting piece and the sliding end respectively. Front-back position buffering is carried out through the buffering elastic piece and the floating spring, vertical position buffering is carried out through the bottom elastic piece, it can be guaranteed that the connector does not damage an interface of a computer in the process of being inserted into the interface, and it is also guaranteed that the connector is subjected to minimum friction damage.
Owner:SUZHOU INTELLIGENT AUTOMATION EQUIP CO LTD
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