DIN EN 4500-005-2012
航空航天系列. 金属材料. 材料标准制定和表述规则. 第005部分:钢铁特定规则; 德文和英文版本EN 4500-005-2012
Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 005: Specific rules for steels; German and English version EN 4500-005:2012