GPS产业的共性技术识别、演进及其启示——基于专利分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-980x|35|12|60-75
ISSN: 1002-980x
Source: 技术经济, Vol.35, Iss.12, 2016-01, pp. : 60-75
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Abstract