基于专利IPC的技术知识流网络挖掘

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-0821|36|1|45-50

ISSN: 1008-0821

Source: 现代情报, Vol.36, Iss.1, 2016-01, pp. : 45-50

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract