73751829
Sep 14, 1988
May 23, 1989
ELECTRIC ARC CUTTING AND WELDING GUNS AND TORCHES, INCLUDING WATER AND AIR-COOLED MIG GUNS FOR THE WELDING OF METALS, WATER AND AIR-COOLED TIG TORCHES FOR THE CUTTING OF METALS, PLASMA ARC TORCHES FOR THE CUTTING OF METALS; ARC GOUGING TORCH AND PARTS THEREFOR FOR SUCH; REGULATORS, VALVES, GAUGES, AND GAS MANIFOLDS FOR USE PRIMARILY IN THE CUTTING AND WELDING OF METALS
Electrical and Scientific Apparatus