Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1:1999 including Technical Corrigendum 1:2001), Corrigenda to DIN ISO 2859-1:2004-01— 4 стр.
Admixtures for concrete, mortar and grout - Part 4: Admixtures for grout for prestressing tendons - Definitions, requirements, conformity, marking and labelling; German version EN 934-4:2009— 20 стр.
Admixtures for concrete, mortar and grout - Part 4: Admixtures for grout for prestressing tendons; Definitions, requirements, conformity, marking and labelling; German version EN 934-4:2001— 17 стр.