IPC Subgroup
G02B 5/06 Fluid-filled or evacuated prisms
Introduced: September 1968
Last revised: January 2006
Full Title
Optical elements other than lenses > Prisms > Fluid-filled or evacuated prisms
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS