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Automatic detection system and method for vertical shaft hoisting cage guide rope
Bottom door opening and closing device of railway bulk cargo hopper body
Broken wire detecting and repairing device and method for vertical shaft hoisting cage guide rope
Buffering soft landing device of unmanned aerial vehicle
Constant speed cruise control assembly of agricultural vehicle
Efficient component transfer device for steel structure construction
Evacuation and rescue lifting cabin unit and platform
Foldable pedal and evacuation and rescue platform between refuge floors
Heightening bridge leg device for agricultural vehicle
Inspection system and method for coal mine vertical shaft