IPC Subgroup
F24F 6/04 using stationary unheated wet elements
Introduced: January 1980
Last revised: January 2006
Full Title
Air-humidification > by evaporation of water in the air > using stationary unheated wet elements
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