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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
B01J 2219/00049

Controlling or regulating processes

Full Title

Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Controlling or regulating processes

Of 14 combined children, 0 exist in both systems.

14 codes are CPC-only extensions.

Note: 14 CPC extensions are marked as secondary classification only.