综采工作面机头机尾上隅角放顶技术及其应用
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1008-8881|29|4|7-8
ISSN: 1008-8881
Source: 山西能源学院学报, Vol.29, Iss.4, 2016-01, pp. : 7-8
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Abstract