中国发明专利计量分析——基于USPTO发明专利数据分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-1248|27|2|68-75

ISSN: 1002-1248

Source: 农业图书情报学刊, Vol.27, Iss.2, 2015-01, pp. : 68-75

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Abstract