73745421
Aug 11, 1988
Mar 14, 1989
ENERGY CONVERSION EQUIPMENT, NAMELY, PLASMA ARC TORCHES; ELECTRIC POWER SUPPLY UNITS FOR PLASMA ARC TORCHES; PLASMA ARCH TORCH UNITS COMPRISING A CONTROL PANEL, AN ELECTRIC POWER SUPPLY UNIT, A STARTER FOR THE PLASMA ARC TORCH, A WATER/GAS UNIT, AND A PLASMA ARC TORCH
Electrical and Scientific Apparatus