71650670
Jul 23, 1953
Mar 22, 1955
WRENCHES, PIPE CUTTING AND BEVELING MACHINES, RAIL CROPPING MACHINES, SPEED CONTROL GOVERNORS, STARTING ROD FEED ASSEMBLIES USED ON CUTTING TORCHES, MACHINE OPERATED VALVES, CHIPPING TOOLS-NAMELY, CHISELS AND HAMMERS, FLUX AND POWDER FEEDERS USED IN SUPPLYING CUTTING OR TREATING AGENTS INTO A FLOWING GAS STREAM OR MOLTEN STEEL, RESPECTIVELY, MANUALLY OPERATED TRACERS USED WITH SHAPE CUTTING MACHINES, BUSHINGS, COLLETS, GEARS, CLAMPS AND REAMERS
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