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DIFF Subgroup Additional Only
B01J 2219/00245

Avoiding undesirable reactions or side-effects

Full Title

Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Controlling or regulating processes > Avoiding undesirable reactions or side-effects

Of 9 combined children, 0 exist in both systems.

9 codes are CPC-only extensions.

Note: 9 CPC extensions are marked as secondary classification only.