DIN EN 4500-003-2012 航空航天系列.金属材料.材料标准制定和表述规则.第003部分:耐热合金的特定规则.德文和英文版本EN 4500-003-2012
Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat resisting alloys; German and English version EN 4500-003:2012