%0 Journal Article
%T The Innovation and Development of International Patent Classification on the Environment of Internet<br>网络环境下的国际专利分类法IPC变革与发展
%A Ma Haiqun
%A <br>马海群
%J 现代图书情报技术
%D 2002
%I 
%X This paper discusses the challenges and opportunities of International Patent Classification (IPC) in Internet environment, and analyses IPC's future developing direction.
%K Internet environment
%K International Patent Classification
%K IPC<br>发展
%K 网络环境
%K 国际专利分类法
%K IPC
%K 网络版
%K 类目细分
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=E46382710BF131B2&jid=24AADBCD0D5373C73F37F78D10E2F717&aid=19D1AFA7F477D2F2&yid=C3ACC247184A22C1&vid=13553B2D12F347E8&iid=B31275AF3241DB2D&sid=2001E0D53B7B80EC&eid=BE33CC7147FEFCA4&journal_id=1003-3513&journal_name=现代图书情报技术&referenced_num=0&reference_num=16