Section insulators of electric traction systems
Sectionalized crane collector systems
Self supporting cable for use with linear motion devices
Self-contained hydraulic power unit for waste compactor containe
Self-propelled cable-way unit riding upon a surface conduction c
Self-storing cord and reel assemblies for shielded cables
Self-switching electric cord reel
Self-winding cable reel
Set of current collecting elements used for a current collecting
Signal and current transmission system with transducers spaced b
Signal receiving mechanism
Signal wiring elastic rewinding device
Sleeve and mobile connection for electric supply
Sliding contact for a toy train
Sliding contact for a toy vehicle
Static system for supplying current through the ground for...
Stationary motorized power cord reel
Storing device for a cable fixed on either of its ends
Stowing device for a cable feed, particularly for the connecting
Structure of a wire winding box