EU Trademark Classification EU37 Construction and repair 冷却器具和设施的维护和修理（61693） Class 37 冷却器具和设施的维护和修理 61693 Chinese 冷却器具和设施的维护和修理 English Maintenance and repair of cooling appliances and installations Site ref. 61693 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)