DIFF Subgroup Additional Only
B01J 2523/39 Actinides
Full Title
Constitutive chemical elements of heterogeneous catalysts > of Group III (IIIA or IIIB) of the Periodic Table > Actinides
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Note: 3 CPC extensions are marked as secondary classification only.