73503238
Oct 10, 1984
Sep 30, 1986
RESISTANCE WELDING MACHINES, WELDING PRESSES, MACHINES FOR PERFORMING WELDING OPERATIONS, PARTICULARLY, ON PARTS OF MOTOR VEHICLES, HOUSEHOLD APPLIANCES AND RADIATORS; FRICTION WELDING MACHINES; HAND-, MECHANICALLY- OR HYDRAULICALLY-OPERATED AUXILIARY DEVICES FOR HOLDING PARTS TO BE WELDED: ACCESSORIES-NAMELY, ROLLER BLOCKS AND SUPPORTS FOR AUTOMATIC WELDING MACHINES
MachineryRESISTANCE WELDING TRANSFORMERS; ARRAYS OF RESISTANCE WELDING TRANSFORMERS BY WHICH WELDING LINES ARE ASSEMBLED; WELDING WIRES; ELECTRICAL UNITS FOR LIMITING WELDING TIME; CONTACTORS AND CONTROLS FOR WELDING MACHINES, OPERATING ON THE [ IGNITION ] * IGNITRON * , THYRISTOR OR TRANSISTOR PRINCIPLE
Electrical and Scientific Apparatus