IPC Main Group
H05B 11/00 Heating by combined application of processes covered by two or more of groups
Introduced: September 1968
Last revised: January 2006
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