基于专利计量的页岩气技术发展态势分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1009-8623|32|2|49-57

ISSN: 1009-8623

Source: 全球科技经济瞭望, Vol.32, Iss.2, 2017-01, pp. : 49-57

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Abstract