Quality management systems - Requirements (ISO 9001:2008); Trilingual version EN ISO 9001:2008, Corrigendum to DIN EN ISO 9001:2008-12; Trilingual version EN ISO 9001:2008/AC:2009— 20 стр.
Determination of protective material resistance to permeation by chemicals - Part 2: permeation by gaseous chemical under conditions of continuous contact; German version prEN 16523-2:2013