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PCE
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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.