美利体育登录入口官网:DIN EN 4800-003:2024-03 航空航天系列钛及钛合金技术规范 第003部分:管
Aerospace series - Titanium and titanium alloys - Technical specification - Part 003: Tube; English version prEN 4800-003:2023 / Note: Date of issue 2024-02-16*Intended as replacement for DIN EN 4800-003 (2011-06).