IPC Subgroup
G02B 27/18 for optical projection, e.g. combination of mirror and condenser and objective
Introduced: September 1968
Last revised: January 2006
Full Title
Optical systems or apparatus not provided for by any of the groups , > for optical projection, e.g. combination of mirror and condenser and objective
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- G02B 27/2 for imaging minute objects, e.g. light-pointer