CPC Subgroup
F24F 8/22 using UV light
Full Title
Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying > by sterilisation > using UV light
F24F 8/22 Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying > by sterilisation > using UV light