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cwnuzlm 2012-11-21 16:03

题目:Graphene supported cobaltosic oxide catalyst, its preparation method and its application in preparation of benzamide by ammoxidation of benzyl alcohol

作者: Nie, Renfeng; Hou, Zhaoyin; Lv, Xiuyang; Chen, Ping
专利号:CN 102728358 A 20121017

dahukou2008 2012-11-30 08:11
111111111111111111

dahukou2008 2012-11-30 08:11
qqqqqqqqqqqqqq

roseford 2012-11-30 16:14
http://www.vdisk.cn/user/admin/tempuser1354262998?1354263040447
你的专利写的太繁琐,以上是下载地址。

roseford 2012-11-30 16:16
只要写102728358,同时说明是中国专利就可以了,告诉你个收索专利的网站:
www.soopat.com

cwnuzlm 2012-12-08 11:10
谢谢各位大虾们哟,亲


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