Ore drawing iron funnel of stope bottom structure von YANG JINCAI, DUAN ZHONGLIN, ZHAO XINGCHANG, HUANG QIAN, LIU FUQIANG, YUE CHAOLONG, TANG MAOTAI, LIAO MINGLONG, YIN KEXIONG, HUANG MAO'EN, LUO MAOXIAN, ZHANG CHUNLEI

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Special derailing prevention device for mine car track von LIU LIANFENG, ZHANG XIAOHAN, HUANG QIAN, YUE CHAOLONG, WANG XIANXU, LIU YUCHAO, YANG ZHE, YIN KEXIONG, CAO HONG, YANG SHICHENG, LIAO JINFA, TANG CHENGSUO, YANG YONGKE, ZHAO XINGCHANG, YANG ZILONG, LU SHAOHUA, LIAO MINGLONG, HUANG MAO'EN, YANG ZHIHAI, AN XUEWEN, LI YONGSHENG, YANG XIANG, ZHANG CHUNLEI, DUAN ZHONGLIN, LI YULANG, LUO SONG, LIU FUQIANG, YANG YOUJIANG, TANG MAOTAI, LUO MAOXIAN

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Exploration and mining combined flat bottom type shallow hole shrinkage mining method von LIU LIANFENG, ZHANG XIAOHAN, HUANG QIAN, YUE CHAOLONG, LIU YUCHAO, WANG XIANXU, CAO HONG, YIN KEXIONG, YANG SHICHENG, ZHAO XINGCHANG, LIAO MINGLONG, HUANG MAO'EN, LI YONGSHENG, YANG FAN, YANG QINGRONG, GONG LI, XIE ENCAI, ZHANG CHUNLEI, WANG BIN, ZHANG QUAN, DUAN ZHONGLIN, LI YULANG, LIU FUQIANG, LUO SONG, YANG YOUJIANG, TANG MAOTAI, LUO MAOXIAN

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