美利体育登录入口官网:DIN EN ISO 15614-2:2022-07
金属材料焊接工艺规范和评定焊接工艺试验第2部分:铝及其合金电弧焊
Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 2: Arc welding of aluminium and its alloys (ISO/DIS 15614-2:2022); German and English version prEN ISO 15614-2:2022 / Note: Date of issue 2022-...