DIFF Subgroup Additional Only
F16C 2206/40 Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
Full Title
Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents > Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
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.