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 <title><![CDATA[专利失效的几种情况]]></title>
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 <description><![CDATA[Latest 20 replies of 专利失效的几种情况]]></description>
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 <description><![CDATA[学习了，谢谢了。]]></description>
 <link><![CDATA[http://www.scifans.net/read.php?tid=1009347#18546977]]></link>
 <author><![CDATA[pander]]></author>
 <category><![CDATA[医药信息检索]]></category>
 <pubdate><![CDATA[Sat, 30 Mar 2013 05:55:27 +0000]]></pubdate>
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 <description><![CDATA[学习一下，很有用！]]></description>
 <link><![CDATA[http://www.scifans.net/read.php?tid=1009347#18211089]]></link>
 <author><![CDATA[songli2812]]></author>
 <category><![CDATA[医药信息检索]]></category>
 <pubdate><![CDATA[Sun, 03 Mar 2013 04:39:10 +0000]]></pubdate>
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