LPG equipment and accessories - Welded steel pressure vessels for LPG road tankers - Design and manufacture; German version EN 12493:2013+A2:2018— 68 стр.
Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC; German version EN 1515-4:2009— 22 стр.