72272328
May 25, 1967
Dec 24, 1968
DUST COLLECTORS, FANS, PNEUMATIC CONVEYING SYSTEM, ROTARY AIR SEALED FEEDER AND DISCHARGE VALVES FOR USE WITH PNEUMATIC CONVEYOR SYSTEMS, AND VIBRATORY CONVEYORS
Yarns and ThreadsDUST FILTERS AND PNEUMATIC FILTRATION RECEIVERS FOR REMOVING ENTRAINED MATERIALS IN AN AIR OR GAS FLOW SYSTEM
Natural Agricultural Products