Cathodic protection of buried or immersed metallic structures - General principles and application for pipelines; German version EN 12954:2001— 29 стр.
LPG equipment and accessories - Inspection and requalification of LPG pressure vessels greater than 13 m<(hoch)3>; German version EN 12819:2019— 35 стр.
LPG Equipment and accessories - Inspection and requalification of LPG pressure vessels up to and including 13 m<(hoch)3>; German version EN 12817:2019— 38 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.