DIN EN 1090-4:2018
钢结构和铝结构的施工. 第4部分: 屋顶、天花板、地板和墙壁用冷成型结构钢元件和冷成型结构的技术要求; 德文版本EN 1090-4:2018
Execution of steel structures and aluminium structures - Part 4: Technical requirements for cold-formed structural steel elements and cold-formed structures for roof, ceiling, floor and wall applications; German version EN 1090-4:2018