1
ATMOSPHERIC GASES-NAMELY, COMPRESSED AIR; U.S.P. OXYGEN; OXYGEN; WATER PUMPED, OIL PUMPED AND PRE-PURIFIED NITROGEN; ARGON; LIQUID OXYGEN; LIQUID NITROGEN AND LIQUID ARGON; HYDROGEN; HELIUM; CARBON MONOXIDE; CARBON DIOXIDE; CYCLOPROPANE; METHANE; ETHYLENE; PROPANE AND VARIOUS OTHER LABORATORY GAS MIXTURES MADE BY COMBINING THE FOREGOING GASES
1
Chemicals
6
Metal Goods
7
Machinery
9
OIL FIELD EQUIPMENT AND WELDING SUPPLIES IN THE NATURE OF MEASURING AND SCENTIFIC APPLIANCES AND CONSISTING OF GAUGES AND REGULATORS (USED TO MEASURE THE FLOW OF GAS THROUGH PIPELINES, TO INDICATE PRESSURE OF GAS IN PIPELINES AND TO MIX GASES IN MEASURED AMOUNTS) AND HELMETS, WITH VISORS AND/OR EYE SHIELDS (USED FOR WELDING PURPOSES)
9
WELDING EQUIPMENT AND SUPPLIES-NAMELY, AUTOMATIC PIPELINE WELDERS; ELECTRIC, GAS AND DIESEL DRIVEN WELDING MACHINES; WELDING RODS; WELDING HEADS; ELECTRODES; ELECTRIC WELDING CABLE; GAS WELDING CABLE; CUTTING TORCHES; CUTTING TIPS; FLUXES; IGNITORS AND WELDING PIPE CLAMPS
25
ARTICLES OF CLOTHING-NAMELY, HELMETS WITHOUT VISORS OR EYE SHIELDS, CAPS AND WELDING GLOVES
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