基于德温特专利分类号耦合的技术多缘性与技术相似性研究——以29家福布斯全球2000强汽车企业为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7490|40|8|87-92

ISSN: 1000-7490

Source: 情报理论与实践, Vol.40, Iss.8, 2017-01, pp. : 87-92

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Abstract