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现行 DIN ISO 22826-DRAFT
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Draft Document - Destructive tests on welds in metallic materials - Hardness testing of narrow joints welded by laser and electron beam (Vickers and Knoop hardness tests) (ISO 22826:2005) 文件草案.金属材料焊缝的破坏性试验.激光和电子束焊接窄接头的硬度试验(维氏和努氏硬度试验)(ISO 22826-2005)
发布日期: 2005-12-01
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发布单位或类别: 德国-德国标准化学会
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