Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications; German version EN 1057:2006+A1:2010— 37 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.