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DIFF Subgroup Additional Only
C09C 2200/20

Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index

Full Title

Compositional and structural details of pigments exhibiting interference colours > Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index

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.