基于专利家族的全球农业领域创新特征分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-1248|29|8|11-16
ISSN: 1002-1248
Source: 农业图书情报学刊, Vol.29, Iss.8, 2017-01, pp. : 11-16
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Abstract