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标题: 求助 IEC 60404-2-2008 [打印本页]

作者: tthung 时间: 2013-11-16 13:21:39 标题: 求助 IEC 60404-2-2008

IEC 60404-2 ed3.1 Consol. with am1 (2008-06)

Magnetic materials - Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame

作者: sigh007 时间: 2013-11-16 13:21:40

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