IPC Subgroup
F23J 13/02 Linings; Jackets; Casings
Introduced: September 1968
Last revised: January 2006
Full Title
Fittings for chimneys or flues > Linings; Jackets; Casings
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES