求助美国专利一篇
【专 利 号】CODEN: USXXCO US 2008265746 A1 20081030 Patent written in English【专利名称】Phenanthroline derivatives and organic light-emitting devices using them.
【专利作者】Yen, Feng-Wen. (Taiwan)
【全文链接】[url]http://www.oti.com/oti/patent/20081030-2008265746-US-A1[/url] 11 1ok
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