Stepped low-depletion mining method with combination of vertical medium-length holes in steeply inclined thin vein
WU LUANDONG, QIU GUOZHU, LIU QINGFU, GAO ZHONG, LI LEIZHONG, QUE CHAOYANG, LIN LINGWANG
Year of Publication 13.05.2022
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Year of Publication 13.05.2022
Patent
Medium-length hole ore matching type mining method for steeply inclined thin vein
WU LUANDONG, QIU GUOZHU, LIU QINGFU, GAO ZHONG, LI LEIZHONG, QUE CHAOYANG, LIN LINGWANG
Year of Publication 03.05.2022
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Year of Publication 03.05.2022
Patent