Admixtures for concrete, mortar and grout - Test methods - Part 1: Reference concrete and reference mortar for testing; German version EN 480-1:2014— 10 стр.
Admixtures for concrete, mortar and grout - Test methods - Part 1: Reference concrete and reference mortar for testing; German version EN 480-1:2006+A1:2011— 13 стр.