DIFF Subgroup
B03B 5/48 by mechanical classifiers
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Washing granular, powdered or lumpy materials; Wet separating > by mechanical classifiers
CPC:
Washing granular, powdered or lumpy materials; Wet separating (separating by pneumatic tables or by pneumatic jigs B03B4/00) > by mechanical classifiers
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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