金属材料焊接工艺规程及评定 焊接工艺规程 第1部分:电弧焊
Specification and qualification of welding procedures for metallic materials—Welding procedure specification—Part 1:Arc welding
标准状态
发布于:2026-09-28
实施于:2027-04-01
废止
Specification and qualification of welding procedures for metallic materials—Welding procedure specification—Part 1:Arc welding