IPC Subgroup
F27B 7/08 externally heated
Introduced: September 1968
Last revised: January 2006
Full Title
Rotary-drum furnaces, i.e. horizontal or slightly inclined > externally heated
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- FURNACES; KILNS, OVENS OR RETORTS
- Subclass:
- FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS