71542105
Nov 24, 1947
Dec 27, 1949
MINING, METALLURGICAL, CHEMICAL PROCESS AND CONTRACTORS' EQUIPMENT-NAMELY, [ BALL, ROD, AND TUBE MILLS, CRUSHERS, ] CLASSIFIERS, THICKENERS, [ JIGS FOR CLEANING AND CONCENTRATING ORES, ] INDUSTRIAL AGITATORS FOR CHEMICAL AND METALLURGICAL PURPOSES, ORE FLOTATION MACHINERY, RECUCTION MACHINERY, [ LOADERS AND UNLOADERS, HOISTING MACHINES, ] INDUSTRIAL SCREENS, SCREENING MACHINERY, [ CONVEYERS, HOISTING CAGES FOR MINING AND INDUSTRIAL PURPOSES, INDUSTRIAL DIAPHRAGM PUMPS FOR USE IN METALLURGICAL AND CHEMICAL PROCESSES; GRADERS, LEVELLERS, ] MIXERS, [ PNEUMATIC GENERATORS, COMPRESSSORS, ] SPREADERS, SCARIFIERS, SCRAPERS
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