IPC Subgroup
F24F 7/04 with ducting systems
Introduced: September 1968
Last revised: January 2006
Full Title
Ventilation > with ducting systems
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
1 direct subcode
Child Classifications
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- F24F 7/06 with forced air circulation, e.g. by fan