CPC Subgroup
F24F 8/15 by chemical means
Full Title
Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying > by separation, e.g. by filtering > by chemical means
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F24F 8/158 using active carbon
- F24F 8/167 using catalytic reactions