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鲤鱼诀:专利在哪看呀?是有个专门的网站吗? HR3_@^<7 (2020-06-14 19:49) [F|+(}
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wdyb88:可以参考专利期已过公布的专利 (2017-06-30 21:47) ru(J5+H
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wdyb88:可以参考专利期已过公布的专利 (2017-06-30 21:47) ,7t3>9-M"
鲤鱼诀:专利在哪看呀?是有个专门的网站吗? ;,<r|.6U (2020-06-14 19:49) P#w}3^
蠊蠊:http://www.innojoy.com/search/index.htmlhttp://www.patviewer.com/ 分享两个 (2020-06-14 20:40) hg[l{)Q
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