DIFF Subgroup
C02F 1/385 Full Title
Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by centrifugal separation
C02F 1/385 Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by centrifugal separation