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[资料下载] Chemistry free patents online download (all in PDF form)

Chemistry free patents online download (all in PDF form)

FreePatentsOnline now offers chemical search! Through entry of chemicals via SMILES, the patent database can be searched using normalized chemical formulas to ensure much more comprehensive searching than possible using regular keywords.
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http://www.freepatentsonline.com/

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谢谢,你发的内容太好了

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