72455426
Apr 23, 1973
Aug 12, 1975
ELECTRIC DRIVES FOR REGULATION AND CONTROL OF THE OUTPUT OF ELECTRIC MOTORS-NAMELY, ELECTRIC DRIVES FOR TORQUE AND SPEED REGULATION AND CONTROL AND FOR THE CONTROL OF SYNCHRONISM; AND ELECTROCRANE EQUIPMENT-NAMELY, CURRENT CARRYING RAILS AND BUSES, ELECTRIC INSULATORS, TROLLEYS AND LIKE CURRENT COLLECTORS AND TROLLEY WIRE
Housewares and GlassMACHINE COUPLINGS AND CLUTCHES FOR TRANSMITTING TORQUES FROM DRIVING PARTS OF MACHINES TO DRIVEN PARTS THEREOF, AND BRAKES FOR STOPPING THE MOVEMENT OF MACHINERY
Yarns and Threads