专利彩票的设计与构思

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-8129|volume|33|88-88

ISSN: 1002-8129

Source: 决策与信息, Vol.volume, Iss.33, 2015-01, pp. : 88-88

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Abstract