EU Trademark Classification EU37 Construction and repair 管道安装和修理（61929） Class 37 管道安装和修理 61929 Chinese 管道安装和修理 English Pipeline installation and repair Site ref. 61929 Class 37 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)