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Pressure switch locking and releasing device suitable for ground test
SYSTEM AND METHOD FOR HANDLING FAULT OF AIRCRAFT, AND COMPUTER EQUIPMENT
Pull-up hanging basket for building engineering construction
Posture self-adjusting operable mobile balancing device and method, terminal and medium
Eccentric semi-submersible buoy type shore temperature automatic measuring and reporting device
Vehicle light state acquisition system and device based on photoelectric effect, and vehicle
Loader hoisting auxiliary device and hoisting method thereof
RAILWAY VEHICLE WASHROOM, CARRIAGE, AND RAILWAY VEHICLE