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为你飘零 发表于 2008-1-4 20:16

【20080104】求助专利2篇:感谢zhucan!

1
US,5241059:Cyclodextrin derivatives
2
US,5831081:Process for the purification of water-soluble cyclodextrin derivatives

zhucan 发表于 2008-1-4 20:18

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zhucan 发表于 2008-1-4 20:25

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zhucan 发表于 2008-1-4 20:25

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zhucan 发表于 2008-1-4 20:26

[url]http://www.91files.com/?CZQ1GHYBKQ2ZSE12RGFJ[/url]

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