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DIFF Subgroup Additional Only
G01N 2201/068

Optics, miscellaneous

Full Title

Features of devices classified in G01N21/00 > Illumination; Optics > Optics, miscellaneous

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.