DIFF Subgroup
B07B 4/02 while the mixtures fall
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 fall
CPC:
Separating solids from solids by subjecting their mixture to gas currents (using tables or jigs B03B4/00) > while the mixtures fall
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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