IPC Subgroup
G02B 21/24 Base structure
Introduced: September 1968
Last revised: January 2006
Full Title
Microscopes > Base structure
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
3 direct subcodes
Child Classifications
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- G02B 21/26 Stages; Adjusting means therefor
- G02B 21/28 with cooling device
- G02B 21/3 with heating device