CPC Subgroup
F17D 3/16 for eliminating particles in suspension (from liquids by sedimentation B01D21/00; separation by filtration or otherwise B01D24/00 - B01D51/00; centrifugal apparatus B04)
Full Title
Arrangements for supervising or controlling working operations > for eliminating particles in suspension (from liquids by sedimentation B01D21/00; separation by filtration or otherwise B01D24/00 - B01D51/00; centrifugal apparatus B04)