Cold formed welded structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery requirements; German version EN 10219-1:1997— 20 стр.
Cold formed welded structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery requirements; German version EN 10219-1:1997— 20 стр.
Hot finished structural hollow sections of non-alloy and fine grain structural steels - Part 1: Technical delivery requirements; German version EN 10210-1:1994— 19 стр.
Mobile access and working towers made of prefabricated elements; materials, dimensions, design loads and safety requirements; german version HD 1004:1992— 22 стр.