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PCE
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CPC Subgroup
G02B 27/20

for imaging minute objects, e.g. light-pointer

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 > for imaging minute objects, e.g. light-pointer