EU Trademark Classification EU37 Construction and repair 蒸汽冷凝器的安装、修理和维护（61513） Class 37 蒸汽冷凝器的安装、修理和维护 61513 Chinese 蒸汽冷凝器的安装、修理和维护 English Installation, repair and maintenance of steam condensers Site ref. 61513 Class 37 Included in Harmonised Database (HDB)