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Revised Classification Table of Underground Mining Method for Metallic Ore Deposits http://www.goldsci.ac.cn/EN/10.11872/j.issn.1005-2518.2018.03.387
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Revised Classification Table of Underground Mining Method for Metallic Ore Deposits http://www.goldsci.ac.cn/EN/10.11872/j.issn.1005-2518.2018.03.387
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