互联网开放存取专利文献资源及其检索与利用--以“中国发明专利技术信息网”为例
호련망개방존취전리문헌자원급기검색여이용--이“중국발명전리기술신식망”위례
The Retrieval and Utilization to the Open Access Patent Documentation Resources on Internet As Example to Chinese Patent of Invention Technology Information Network
저자의 최근 논문