宁夏大学专利统计与分析——以PIAS和Derwent Innovations Index为工具
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-1248|28|5|61-64
ISSN: 1002-1248
Source: 农业图书情报学刊, Vol.28, Iss.5, 2016-01, pp. : 61-64
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Abstract