国外典型私营航天企业专利策略研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-7742|volume|4|35-40
ISSN: 1002-7742
Source: 中国航天, Vol.volume, Iss.4, 2017-01, pp. : 35-40
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Abstract