CPC Subgroup
B03B 5/60 by non-mechanical classifiers, e.g. slime tanks (hydraulic classifiers B03B5/62; water impulse classifiers B03B5/68)
Full Title
Washing granular, powdered or lumpy materials; Wet separating (separating by pneumatic tables or by pneumatic jigs B03B4/00) > by non-mechanical classifiers, e.g. slime tanks (hydraulic classifiers B03B5/62; water impulse classifiers B03B5/68)