71480034
Feb 20, 1945
Sep 25, 1945
WELDING ELECTRODES, WHICH ARE CONSUMED IN THE WELDING OPERATION, WELDING, BRAZING, AND SOLDERING OVERLAY ALLOYS IN THE FORM OF RODS AND WIRES, EITHER BARE OR COATED WITH FLUX SUBSTANCE FOR USE IN CONNECTION WITH OXY-ACETYLENE TORCHES OR WITH ELECTRIC HEATING AND CARBON-ARC DEVICES
Jewelry