IPC Subgroup
G02B 17/08 Catadioptric systems
Introduced: September 1968
Last revised: January 2006
Full Title
Systems with reflecting surfaces, with or without refracting elements > Catadioptric systems
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS