现行 HB/Z 345-2002
铝合金铸件补焊工艺及检验 铝合金铸件补焊工艺及检验 Process and inspection of repair welding for aluminium alloy castings
发布日期:
实施日期:2003-02-01
分类信息
标准简介
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最后更新时间 2025-08-30