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发布日期:2009-10-01 实施日期:2009-10-01
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发布日期:2015-05-15 实施日期:2016-01-01
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发布日期:1988-01-06 实施日期:1988-01-06
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实施日期:2008-10-01
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发布日期:1996-03-28 实施日期:1996-03-28
Magnetic materials - Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame
实施日期:2009-01-01
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实施日期:2001-06-01
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实施日期:2008-05-01
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发布日期:2007-07-01 实施日期:2007-07-01
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