EU Trademark Classification EU37 Construction and repair 修理航空器油冷却器（62294） Class 37 Repair of aircraft oil coolers 62294 修理航空器油冷却器 Chinese 修理航空器油冷却器 English Repair of aircraft oil coolers Site ref. 62294 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)