EU Trademark Classification EU11 Lighting, heating and air conditioning 净化空气的设备（28288） Class 11 净化空气的设备 28288 Chinese 净化空气的设备 English Apparatus for purifying air Site ref. 28288 Class 11 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)