IPC Subgroup
H05B 31/16 Apparatus or processes specially adapted for manufacturing electrodes
Introduced: September 1968
Last revised: January 2006
Full Title
Electric arc lamps > Details > Electrodes > Apparatus or processes specially adapted for manufacturing electrodes
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