EU Trademark Classification EU01 Chemicals 用于加速混凝土凝固的组合物（2478） Class 01 Compositions for accelerating the setting of concrete 2478 用于加速混凝土凝固的组合物 Chinese 用于加速混凝土凝固的组合物 English Compositions for accelerating the setting of concrete Site ref. 2478 Class 01 Included in Harmonised Database (HDB)