DIFF Subgroup
B01J 19/2415 Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Stationary reactors without moving elements inside (B01J19/08, B01J19/26 take precedence; with stationary particles B01J8/02)
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.