EU Trademark Classification EU11 Lighting, heating and air conditioning Ionising air guns for the treatment of air Class 11 Ionising air guns for the treatment of air 29798 空气处理用电离气枪 Chinese 空气处理用电离气枪 English Ionising air guns for the treatment of air Site ref. 29798 Class 11 Included in Harmonised Database (HDB)