DIN EN 934-2:2012 混凝土,砂浆和灌浆用添加剂.第2部分:混凝土添加剂.定义,要求,合格性,标记和标签.德文版本DIN EN 934-2-2009+A1-2012
Admixtures for concrete, mortar and grout - Part 2: Concrete admixtures - Definitions, requirements, conformity, marking and labelling; German version EN 934-2:2009+A1:2012