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5. Variation in gas drainage rate from a coal seam during mining

Variation in gas drainage rate from a coal seam during mining

来源 :International Journal of Mining | 被引量 : 0次 | 上传用户：kim5618

【作 者】

：

Li Gang Qi Qingxin Li Hongyan Fa 

【出 处】

：

International Journal of Mining

【发表日期】

：

2020年1期

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