Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation; German version EN 10226-1:2004— 14 стр.
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.