NF A50-470-2*NF EN 13981-2:2004 Aluminium and aluminium alloys - Products for structural railway applications - Technical conditions for inspection and delivery - Part 2 : plates and sheets
2004NF A50-470-2*NF EN 13981-2:2004 Aluminium and aluminium alloys - Products for structural railway applications - Technical conditions for inspection and delivery - Part 2 : plates and sheets