IPC Subgroup
F26B 23/02 using combustion heating
Introduced: September 1968
Last revised: January 2006
Full Title
Heating arrangements > using combustion heating
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- DRYING
- Subclass:
- DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM