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MOTOR GEARBOX CAPABLE OF IMPLEMENTING TWO-WAY HAND-CRANKING OPERATION FOR ELECTRIC SWITCH MACHINE
Contact constant-temperature heating device for electric switch machine
Steering wheel position adjusting mechanism and commercial vehicle
Motor gear box capable of realizing bidirectional hand-cranking operation of electric switch machine
Intelligent management device for hand-cranking tool of switch machine
SMART MANAGEMENT DEVICE FOR HAND-CRANK TOOL OF SWITCH MACHINE