EFFECT OF SUB-COAL STRATA ON COAL PILLAR STABILITY.

被引:0
|
作者
Jeremic, M.L.
机构
来源
Coal miner Vancouver | 1981年 / 6卷 / 01期
关键词
Compendex;
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学科分类号
摘要
COAL MINES AND MINING
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页码:39 / 46
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