IPC Main Group
F21V 5/00 Refractors for light sources
Introduced: September 1968
Last revised: January 2018
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
Related Keywords
REFRACTORS for light sources
5 direct subcodes
Child Classifications
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