%0 Journal Article
%T Free Retrivel U.S Patent Database on Internet<br>利用Internet免费查找美国专利
%A Yang Zhiping
%A <br>杨志萍
%J 现代图书情报技术
%D 1998
%I 
%X According to the Author s experience, this article introduces the character and retrival paths of the U.S Patent Database on Internet, and discuss the retrival methods and skills of the U.S Patent Database.
%K 美国专利数据库
%K Internet
%K 情报检索
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=E46382710BF131B2&jid=24AADBCD0D5373C73F37F78D10E2F717&aid=6887A88CF1A8A5C3&yid=8CAA3A429E3EA654&vid=F3583C8E78166B9E&iid=0B39A22176CE99FB&sid=339D79302DF62549&eid=933658645952ED9F&journal_id=1003-3513&journal_name=现代图书情报技术&referenced_num=9&reference_num=0