DIFF Subgroup
B03B 5/62 by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Washing granular, powdered or lumpy materials; Wet separating > by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
CPC:
Washing granular, powdered or lumpy materials; Wet separating (separating by pneumatic tables or by pneumatic jigs B03B4/00) > by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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