SooPAT、5ipatent和CNKI专利数据库国外专利检索能力研究
Comparative Study on Retrieval Ability of Foreign Patents of Three Patents data-bases:SooPAT, 5ipatent and CNKI
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 | 〉 |