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PCE
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DIFF Main Group
C22B 11/00

Obtaining noble metals

Introduced: September 1968

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • C22B 11/06 Chloridising IPC+CPC Available in IPC and CPC
  • C22B 11/08 by cyaniding IPC+CPC Available in IPC and CPC