DIFF Subgroup
B01D 21/04 with moving scrapers
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Separation of suspended solid particles from liquids by sedimentation > Settling tanks > with moving scrapers
CPC:
Separation of suspended solid particles from liquids by sedimentation ( ; differential sedimentation B03D3/00; devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage C02F1/40) > Settling tanks > with moving scrapers
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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