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标题: ISO 6506-2-2005 Metallic materials — Brinell hardness test — Part 2: Verific [打印本页]

作者: 2013    时间: 2013-3-19 00:20:52     标题: ISO 6506-2-2005 Metallic materials — Brinell hardness test — Part 2: Verific

ISO 6506-2-2005 Metallic materials — Brinell hardness test — Part 2: Verification and calibration of testing machines


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作者: 21319817    时间: 2013-8-30 11:13:12


作者: wanderer1997    时间: 2014-4-17 20:49:51

非常有用,感谢分享!







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