IPC Subgroup
H05B 33/1 Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
Introduced: September 1968
Last revised: January 2006
Full Title
Electroluminescent light sources > Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL