Ventilation courtyard transformed by utilizing mine stope pedestrian well and transformation method thereof
HUANG ZEXIANG, ZHOU LIN, CHEN DEMING, CHEN MIN, HUANG WEN, GUO YUANSHU, LAI SHIFENG, FENG ZUHANG, QIU JINMING, WU XUEKANG
Year of Publication 22.01.2021
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Year of Publication 22.01.2021
Patent