CPC Subgroup
B07B 4/06 using revolving drums
Full Title
Separating solids from solids by subjecting their mixture to gas currents (using tables or jigs B03B4/00) > while the mixtures fall > using revolving drums
B07B 4/06 Separating solids from solids by subjecting their mixture to gas currents (using tables or jigs B03B4/00) > while the mixtures fall > using revolving drums