DIFF Subgroup
B07B 4/08 while the mixtures are supported by sieves, screens, or like mechanical elements
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Separating solids from solids by subjecting their mixture to gas currents > while the mixtures are supported by sieves, screens, or like mechanical elements
CPC:
Separating solids from solids by subjecting their mixture to gas currents (using tables or jigs B03B4/00) > while the mixtures are supported by sieves, screens, or like mechanical elements
No child classifications to compare. This is a leaf node in both IPC and CPC.