Explosive atmospheres - Part 34: Application of quality systems for equipment manufacture (ISO/IEC 80079-34:2011, modified); German version EN ISO/IEC 80079-34:2011— 60 стр.
LPG equipment and accessories - Static welded steel cylindrical tanks, serially produced for the storage of Liquefied Petroleum Gas (LPG) having a volume not greater than 13 m<(hoch)3> - Design and manufacture; German version EN 12542:2010— 66 стр.