IPC Subgroup
C23D 9/06 Electric furnaces
Introduced: September 1968
Last revised: January 2006
Full Title
Ovens specially adapted for firing enamels > Electric furnaces
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- Subclass:
- ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS