G02B 27/0927 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G02B 27/0927

Full Title

Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for

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