专利参考价值评价体系及其在石油工程领域中的应用

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-302x|volume|2|28-33

ISSN: 1002-302x

Source: 石油科技论坛, Vol.volume, Iss.2, 2015-01, pp. : 28-33

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Abstract