EU Trademark Classification EU01 Chemicals 砖砌体加固用化学组合物（1834） Class 01 砖砌体加固用化学组合物 1834 Chinese 砖砌体加固用化学组合物 English Chemical compositions for reinforcing brickwork Site ref. 1834 Class 01 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)