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TRACTION SHEAVE SAFETY DEVICE AND ELEVATOR CAR EMERGENCY STOP METHOD THEREOF
Traction sheave safety device and elevator car emergency stop method thereof
Integrated foaming automobile seat cover and forming method thereof
Bearing type anti-detonation chassis, applicable to multi-caliber weapon system, of pickup truck
Unmanned bus high-speed rail hub Mass type station control algorithm and device
Anti-toppling support for flow field test in test workshop and support system
Gravity balance type digital display superelevation detection device
Sealing structure, sealing assembly for air conditioner and metro vehicle air conditioning unit
Vehicle starting control method, device and equipment and storage medium
Connector, cantilever device and manufacturing process