国际乒乓球运动相关科技创新发展态势的竞争情报分析——基于专利信息可视化的方法

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1006-1207|38|6|38-46

ISSN: 1006-1207

Source: 体育科研, Vol.38, Iss.6, 2017-01, pp. : 38-46

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Abstract