73546671
Jul 3, 1985
Oct 14, 1986
MECHANICAL DEVICES AND EQUIPMENT FOR CONVEYING AND EVACUATION OF BULK MATERIAL FROM BULK-MATERIAL BINS AND SILOS, NAMELY, DISCHARGE ARMS, ROTARY DISCHARGE WHEELS, MECHANICAL SCRAPERS, BULK-MATERIAL DEFLECTORS, BULK-MATERIAL DISCHARGE PORTS, CHAIN CONVEYORS, BELT CONVEYORS, AND BUCKET CONVEYORS
Machinery