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PCE
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DIFF Main Group
C11B 13/00

Recovery of fats, fatty oils or fatty acids from waste materials

Introduced: September 1968

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • C11B 13/005 CPC only CPC only
  • C11B 13/02 from soap stock IPC+CPC Available in IPC and CPC
  • C11B 13/04 from spent adsorption materials IPC+CPC Available in IPC and CPC