73518026
Jan 18, 1985
Apr 8, 1986
WELDING APPARATUS, NAMELY, WELDING POWER SUPPLIES, WIRE FEEDERS, MOTOR DRIVE AND POSITION CONTROLS, ARC VOLTAGE CONTROLLERS, PROGRAMMABLE CONTROLLERS FOR WELDING POWER SUPPLIES, ARC STARTING APPARATUS, WELD PROCESSING APPARATUS, IN-PROGRESS WELD QUALITY MONITORING APPARATUS, ULTRASONIC SOUND APPARATUS, VOLTAGE FLOW MONITORING APPARATUS, AND NON-WELDING PRECISION POWER SUPPLIES
Electrical and Scientific Apparatus