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发布日期:2013-09-15 实施日期:2013-09-15
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发布日期:1996-12-17 实施日期:1997-07-01
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实施日期:2002-04-01
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实施日期:2012-07-01
发布日期:2014-01-15 实施日期:2014-01-15
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发布日期:1997-09-02 实施日期:1998-04-01
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发布日期:2005-07-25 实施日期:2005-07-25
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实施日期:2008-10-01
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实施日期:1987-11-01
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发布日期:2005-10-01 实施日期:2005-10-01
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发布日期:2012-02-20 实施日期:2012-05-01
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Document management -- Portable document format -- Part 1: PDF 1.7
发布日期:2008-07-01 实施日期:2008-07-01
Information technology. Multimedia application format (MPEG-A). Part 9:Digital Multimedia Broadcasting application format
发布日期:2008-08-11 实施日期:2008-08-15
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