73066335
Oct 20, 1975
May 10, 1977
ARC AND STUD WELDING APPARATUS; VOLTAGE CONTROLLERS; VOLTAGE CONTROL SYSTEMS WHICH COMPRISE A PLURALITY OF COMMONLY HOUSED VOLTAGE CONTROLLERS; PYROMETERS; TEMPERATURE READOUTS; RECEPTACLE BOXES; ELECTRICAL PLUGS AND CONNECTORS; JUMPER AND BUS BAR CONNECTIONS; SELECTOR SWITCHES; HOPPER MAGNETS; HEARING PROTECTORS AND SAFETY GLASSES
Electrical and Scientific Apparatus