金属材料焊接工艺规程及评定 焊接工艺规程 第2部分：气焊
Specification and qualification of welding procedures for metallic materials—Welding procedure specification—Part 2:Gas welding
标准状态
发布于：2026-07-30
实施于：2027-02-01
废止
Specification and qualification of welding procedures for metallic materials—Welding procedure specification—Part 2:Gas welding