进口对中国制造业企业专利活动的抑制效应研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1006-480x|volume|7|68-83

ISSN: 1006-480x

Source: 中国工业经济, Vol.volume, Iss.7, 2015-01, pp. : 68-83

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Abstract