72356456
Apr 10, 1970
Mar 7, 1972
VALVES FOR DUST COLLECTOR HOPPERS AND BIN DISCHARGES-NAMELY, VACUUM VALVES, DOUBLE FLAP VALVES, AND SLIDE GATE VALVES.
FirearmsINDUSTRIAL SEPARATORS AND COLLECTORS OF THE CENTRIFUGAL TYPE FOR SEPARATING ENTRAINED PARTICLES FROM FLUIDS.
Yarns and ThreadsINDUSTRIAL SEPARATORS AND COLLECTORS OF THE FABRIC FILTER TYPE FOR SEPARATING ENTRAINED PARTICLES FROM FLUIDS.
Natural Agricultural Products