IPC Subgroup
G02C 7/12 Polarisers
Introduced: September 1968
Last revised: January 2006
Full Title
Optical parts > Polarisers
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
Related Keywords
optical POLARISATION in spectacles