Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 004: Specific rules for titanium and titanium alloys; German and English version EN 4500-004:2012
航空航天系列.金属材料.材料标准的起草和表示规则.第004部分:钛和钛合金的特殊规则;德语和英语版本EN 4500-004:2012