EU Trademark Classification EU11 Lighting, heating and air conditioning 叶轮（空调设备部件）（29701） Class 11 叶轮（空调设备部件） 29701 Chinese 叶轮（空调设备部件） English Impellers [parts of air conditioning apparatus] Site ref. 29701 Class 11 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)