EU Trademark Classification EU37 Construction and repair 乐器调音服务（61872） Class 37 乐器调音服务 61872 Chinese 乐器调音服务 English Musical instrument tuning services Site ref. 61872 Class 37 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)