基于德温特专利族计量的太阳能汽车技术全球专利布局研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|36|22|134-138

ISSN: 1000-7695

Source: 科技管理研究, Vol.36, Iss.22, 2016-01, pp. : 134-138

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Abstract