71621751
Nov 28, 1951
Jun 1, 1954
MECHANICAL VIBRATING SCREENS FOR SCREENING ROCKS, ORE, COAL, GRAVEL, SAND, INDUSTRIAL WASTES, CHEMICALS, FOOD PRODUCTS, AND WOOD PRODUCTS, JAW TYPE ROCK AND ORE ROLL CRUSHERS, RECIPROCATING PLATE FEEDERS FOR FEEDING MATERIAL TO CRUSHERS, SCREENS, CONVEYORS, MILLS, AND OTHER PROCESSING MACHINERY, CENTRIFUGAL PUMPS, PORTABLE POWER STACKERS; FLOOR TO FLOOR CONVEYORS; CONVEYING INSPECTION AND PICKING TABLES, BULK MATERIAL CONVEYORS, TROUGHING IDLERS, PULLEYS, CONVEYOR SECTIONS, CONVEYOR ROLLERS; CONVEYOR TAKE-UPS WITH PULLEYS MOUNTED THEREON; TROUGHING IDLER CONVEYORS FOR SURFACE AND UNDERGROUND WORK; A COAL PREPARATION PLANT UNIT COMPRISING SHAKER SCREEN, SHAKING PICKING TABLE, REFUSE PAN AND CONVEYOR, ROLL CRUSHER, FEED AND DISCHARGE CONVEYORS, STORAGE HOPPER AND FEEDER, PLANT FRAME, FLOOR PLATES, AND MOTORS; AND FOOD AND CHEMICAL PROCESSING EQUIPMENT-NAMELY, MECHANICAL VIBRATING DEWATERING SCREENS, JUICE-PROCESSING SCREENS AND ROOT AND VEGETABLE CLEANING SCREENS
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