EU Trademark Classification EU01 Chemicals Additives (Chemical -) for plasticizing concrete Class 01 Additives (Chemical -) for plasticizing concrete 937 混凝土塑化用化学添加剂 Chinese 混凝土塑化用化学添加剂 English Additives (Chemical -) for plasticizing concrete Site ref. 937 Class 01 Included in Harmonised Database (HDB)