IPC Subgroup
F24F 7/02 Roof ventilation
Introduced: September 1968
Last revised: January 2006
Full Title
Ventilation > Roof ventilation
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEATING; RANGES; VENTILATING
- Subclass:
- AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING