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.
收稿日期: 1997-08-30
出版日期: 1998-04-25
通讯作者:
杨志萍
作者简介: 杨志萍
引用本文:
杨志萍. 利用Internet免费查找美国专利[J]. 现代图书情报技术, 1998, 14(2): 34-36.
Yang Zhiping. Free Retrivel U.S Patent Database on Internet. New Technology of Library and Information Service, 1998, 14(2): 34-36.