DIN EN ISO 4136 E:2020 文件草案 金属材料焊缝的破坏性试验 横向拉伸试验(ISO/DIS 4136:2020) 德文版和英文版 prEN ISO 4136:2020
Draft Document - Destructive tests on welds in metallic materials - Transverse tensile test (ISO/DIS 4136:2020); German and English version prEN ISO 4136:2020