DIFF Main Group
C12F 3/00 Recovery of by-products
Introduced: September 1968
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C12F 3/06 from beer and wine (C12F3/02 takes precedence; removal of yeast C12G1/08) IPC+CPC Available in IPC and CPC