DIFF Subgroup
B03B 5/42 of drum or lifting wheel type
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Washing granular, powdered or lumpy materials; Wet separating > by sink-float separation > using heavy liquids or suspensions > Devices therefor, other than using centrifugal force > of drum or lifting wheel type
CPC:
Washing granular, powdered or lumpy materials; Wet separating (separating by pneumatic tables or by pneumatic jigs B03B4/00) > by sink-float separation > using heavy liquids or suspensions > Devices therefor, other than using centrifugal force > of drum or lifting wheel type
No child classifications to compare. This is a leaf node in both IPC and CPC.