EU Trademark Classification EU01 Chemicals 混凝土粘结化合物（2434） Class 01 Concrete bonding compounds 2434 混凝土粘结化合物 Chinese 混凝土粘结化合物 English Concrete bonding compounds Spanish compuestos aglutinantes para hormigón Site ref. 2434 Class 01 Included in Harmonised Database (HDB)