73028850
Aug 7, 1974
Jun 22, 1976
INDUSTRIAL SPECIALTY GASES-NAMELY, OXYGEN, NITROGEN, ARGON, ACETYLENE, HYDROGEN, CARBON DIOXIDE, NEOPRENE, PYROLENE, PROPANE, CYCLOPROPANE, ETHYLENE, NITROUS OXIDE AND OTHER GASES AND GAS MIXTURES
Lubricants and Fuels[ WELDING AND CUTTING EQUIPMENT-NAMELY, ARC WELDING EQUIPMENT, GAS WELDING AND CUTTING EQUIPMENT, REGULATORS AND GAUGES, TORCHES AND TIPS, CYLINDERS AND HOSES, ELECTRODES AND ELECTRODE HOLDERS ]
Electrical and Scientific Apparatus