中国企业质押专利特征分析——基于区域视角

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-7348|32|8|108-112

ISSN: 1001-7348

Source: 科技进步与对策, Vol.32, Iss.8, 2015-01, pp. : 108-112

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Abstract