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person:("wang jianhua")
Anti-falling device for large hook of bridge crane in cold rolling plant
Automatic adjustment method and device for vehicle driving position, computer equipment and vehicle
Electronic rearview mirror system, control method of electronic rearview mirror system and vehicle
Hoisting and transferring equipment for hot-dip aluminum-zinc-silicon steel plate
Hot-pressed steel block conveying device with anti-toppling structure
Labor-saving plate spring single-piece straightening device and straightening system
Power consumption management method and device of battery protection board and vehicle
Rail line gantry hoisting wireless control and gantry hoisting system
Rear matched trailer, steering method of rear matched trailer and shield tunneling machine
Tamping wagon horizontal monitoring and track lifting automatic compensation device and system