Draft Document - Quality assurance of welded structures - Specification and approval of welding procedures for metallic materials - Part 125: Welding procedure tests for the arc welding of aluminium castings and combinations of cast to wrought material (Proposal for a European standard)
文件草案.焊接结构的质量保证.金属材料焊接程序的规范和批准.第125部分:铝铸件和铸造与锻造材料组合的电弧焊焊接程序试验(欧洲标准提案)