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FLUID FLOW INSTRUMENTS-NAMELY, GAS FLOW REGULATORS, AND VALVES

FLUID PRESSURE GAGES AND FLOW METERS

GAS-FUELED CUTTING AND WELDING TORCHES AND PARTS THEREOF, CUTTING TORCH BODIES, AND WELDING ATTACHMENTS FOR GAS-FUELED TORCHES; ELECTRIC ARC CUTTING AND WELDING UNITS AND PARTS THEREFOR; POWER SOURCES FOR ELECTRIC ARC CUTTING AND WELDING