75485229
May 14, 1998
Jul 17, 2001
BULK MATERIALS HANDLING SYSTEMS COMPOSED OF MACHINES FOR DISCHARGING MATERIAL FROM SILOS, HOPPERS AND BUNKERS; CONVEYORS, SCREW CONVEYORS AND BELTS THEREFOR; VALVES AND SOLID MATERIAL PUMPS BEING PARTS OF MACHINES; PISTON-TYPE PUMPS
Machinery