EU Trademark Classification EU01 Chemicals 混凝土用化学添加剂（936） Class 01 Additives (Chemical -) for use with concrete 936 混凝土用化学添加剂 Chinese 混凝土用化学添加剂 English Additives (Chemical -) for use with concrete Site ref. 936 Class 01 Included in Harmonised Database (HDB)