IPC Main Group
F21H 3/00 Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
Related Keywords
manufacture of incandescent mantlesmanufacture of incandescent gas MANTLES or supports therefor