基于专利分析的我国煤层气技术发展研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1671-1807|16|4|120-124

ISSN: 1671-1807

Source: 科技和产业, Vol.16, Iss.4, 2016-01, pp. : 120-124

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Abstract