EU Trademark Classification EU11 Lighting, heating and air conditioning 部件自动淬火炉（28337） Class 11 部件自动淬火炉 28337 Chinese 部件自动淬火炉 English Automatic hardening furnaces for components Site ref. 28337 Class 11 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)