DIN EN 13981-4:2007-02 Aluminium and aluminium alloys - Products for structural railway applications - Technical conditions for inspection and delivery - Part 4: Forgings; German version EN 13981-4:2006
2007DIN EN 13981-4:2007-02 Aluminium and aluminium alloys - Products for structural railway applications - Technical conditions for inspection and delivery - Part 4: Forgings; German version EN 13981-4:2006
2007DIN EN 13981-4:2007 Aluminium and aluminium alloys - Products for structural railway applications - Technical conditions for inspection and delivery - Part 4: Forgings; English version of DIN EN 13981-4:2007-02