专利活动与我国农业企业绩效的关系——以农资行业上市公司为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|volume|19|190-193

ISSN: 1000-7695

Source: 科技管理研究, Vol.volume, Iss.19, 2017-01, pp. : 190-193

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Abstract