73077630
Feb 19, 1976
Sep 13, 1977
INDUSTRIAL GASES, INCLUDING OXYGEN, NITROGEN, ARGON, NITROUS OXIDE, HELIUM, CARBON DIOXIDE, HYDROGEN, KRYPTON AND XENON
ChemicalsGAS PRODUCTION PLANTS, GAS COMPRESSORS, WELDING MACHINES, OXY-CUTTING MACHINES, ELECTRODE HOLDERS, CUTTING AND WORKING MACHINES, LIQUIFIED GAS PUMPS AND TURBINES
MachineryWELDING POSITIONING DEVICES, ELECTRODES, PRESSURE REGULATORS AND GAUGES
Electrical and Scientific Apparatus