EU Trademark Classification EU11 Lighting, heating and air conditioning 水族箱水过滤装置（30991） Class 11 水族箱水过滤装置 30991 Chinese 水族箱水过滤装置 English Water filtering units for aquariums Site ref. 30991 Class 11 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)