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Sealing structure for quickly sealing mine roadway
YANG JIANBIN, DING MINGFEI, YANG CHANGBIN, XU FANGYONG, WANG YAZHOU, LI CHENGXUE, ZHANG ZHONGHUI, DU JIAFA
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Mine filling pipeline quick switching device
YANG JIGUANG, JING XIAODONG, SONG ZEPU, DU JIAFA, QI ZHAOJUN, KOU YUNPENG, SHENG YUHANG
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Year of Publication 19.02.2019
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