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PCE
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DIFF Main Group Additional Only
G02B 2207/00

Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups

Of 11 combined children, 0 exist in both systems.

11 codes are CPC-only extensions.

Note: 11 CPC extensions are marked as secondary classification only.