我国智能交通系统专利状况分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|35|13|132-136

ISSN: 1000-7695

Source: 科技管理研究, Vol.35, Iss.13, 2015-01, pp. : 132-136

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Abstract