IPC Subgroup
G12B 17/04 from ultraviolet , visible, or infrared light
Introduced: September 1968
Last revised: January 2006
Full Title
Screening > from ultraviolet , visible, or infrared light
Classification Context
- Section:
- PHYSICS
- Class:
- INSTRUMENT DETAILS
- Subclass:
- CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR