CPC Subgroup
A61L 9/015 using gaseous or vaporous substances, e.g. ozone (A61L9/20 takes precedence )
Full Title
Disinfection, sterilisation or deodorisation of air (body deodorants A61Q15/00; purifying air by respirators A62B, A62D9/00; separating dispersed particles from gases or vapours B01D45/00 - B01D51/00, B03C3/00; chemical or biological purification of waste gases B01D53/34; production of ozone C01B13/10; air-conditioning systems incorporating sterilisation F24F3/16, F24F8/20) > using gaseous or vaporous substances, e.g. ozone (A61L9/20 takes precedence )
2 direct subcodes
Child Classifications
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