Valves for gas distribution systems with maximum operating pressure <kleiner => 16 bar - Performance requirements; German version EN 13774:2003— 30 стр.
Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys; German version EN 13445-8:2009— 28 стр.
Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys; German version EN 13445-8:2009— 28 стр.