EU Trademark Classification EU11 Lighting, heating and air conditioning 供水设施用过滤设备（29158） Class 11 供水设施用过滤设备 29158 Chinese 供水设施用过滤设备 English Filter apparatus for water supply installations Site ref. 29158 Class 11 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)