SooPAT、5ipatent和CNKI专利数据库国外专利检索能力研究

doi:10.13998/j.cnki.issn1002-1248.2014.4.030

›› 2014, Vol. 26 ›› Issue (4): 117-120.doi: 10.13998/j.cnki.issn1002-1248.2014.4.030

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Comparative Study on Retrieval Ability of Foreign Patents of Three Patents data-bases:SooPAT, 5ipatent and CNKI

WANG Li-jie

Library, South China University of technology, Guangzhou, 510641, China

Received:2013-11-08 Online:2014-04-05 Published:2014-06-06

Abstract

CLC Number:

G254.92

WANG Li-jie. Comparative Study on Retrieval Ability of Foreign Patents of Three Patents data-bases:SooPAT, 5ipatent and CNKI[J]., 2014, 26(4): 117-120.

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【3】欧洲专利局数据库.http://worldwide.espacenet.com/advancedSearch?locale=en_EP.
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【5】5ipatent佰腾网.http://www.5ipatent.com/.
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【7】美欧共建CPC专利分类体系已达成合作协议..http://www.cnipr.com/news/gwdt/201102/t20110209_125597.html.