71596126
Apr 21, 1950
Apr 24, 1951
ROCK, ORE, SAND AND GRAVEL HANDLING EQUIPMENT-NAMELY, GYRATORY, JAW, AND ROLL CRUSHERS AND BREAKERS; VIBRATORY AND ROTARY SCREENS AND GRIZZLIES; WASHERS, SCRUBBERS, AND CLASSIFIERS; BELT, CHAIN, BUCKET, FLIGHT, AND SCREW CONVEYORS AND ELEVATORS; AND BIN GATES AND PLATE, APRON, AND SCREW FEEDERS
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