DIN EN 508-2:2009
金属板屋顶产品.钢,铝或不锈钢板自持产品规范.第2部分:铝.英文版本DIN EN 508-2-2009-07
Roofing products from metal sheet - Specification for self-supporting products of steel, aluminium or stainless steel sheet - Part 2: Aluminium; English version of DIN EN 508-2:2009-07