EU Trademark Classification EU11 Lighting, heating and air conditioning 混合阀（龙头）（30023） Class 11 混合阀（龙头） 30023 Chinese 混合阀（龙头） English Mixing valves [faucets] Site ref. 30023 Class 11 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)