复杂地质条件下的煤矿掘进支护技术应用标准分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-5944|volume|8X|120-121

ISSN: 1002-5944

Source: 中国标准化, Vol.volume, Iss.8X, 2016-01, pp. : 120-121

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Abstract