CPC Subgroup
G02B 27/18 for optical projection, e.g. combination of mirror and condenser and objective
Full Title
Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > for optical projection, e.g. combination of mirror and condenser and objective
1 direct subcode
Child Classifications
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- G02B 27/20 for imaging minute objects, e.g. light-pointer