EU Trademark Classification EU01 Chemicals Underwater concrete segregation controlling admixtures Class 01 Underwater concrete segregation controlling admixtures 5216 水下混凝土离析控制外加剂 Chinese 水下混凝土离析控制外加剂 English Underwater concrete segregation controlling admixtures Site ref. 5216 Class 01 Included in Harmonised Database (HDB)