DIFF Subgroup
B03B 5/56 Drum classifiers
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Washing granular, powdered or lumpy materials; Wet separating > by mechanical classifiers > Drum classifiers
CPC:
Washing granular, powdered or lumpy materials; Wet separating (separating by pneumatic tables or by pneumatic jigs B03B4/00) > by mechanical classifiers > Drum classifiers
No child classifications to compare. This is a leaf node in both IPC and CPC.