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Alternating water pressure presplitting jet drilling device for mine
ZHAO JIYUAN, SUN YONGPING, MAO ZHENGUO, DU YANHUI, FAN YONGPING, SHI LIHONG, CHANG XIKUN, ZHANG GUANGTAI, LIU WEITAO
Year of Publication 12.04.2024
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Year of Publication 12.04.2024
Patent
Water pressure presplitting parameter determination method
YAO RONG, SUN HAO, LI LIBO, SUN HAIPENG, HUANG HUI, BAI LIJUN, CHEN XIAOLEI, DAI YONGGANG, ZHANG SEN, ZHANG SHUN, HUANG HAIPENG
Year of Publication 19.02.2021
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Year of Publication 19.02.2021
Patent
Novel not coupling of axial joint -cutting gathers can water pressure presplit blasting device
WANG TIEFA, CAI XUANYAN, GAN LIEHUO, XU LIWU, LI QIUSHUANG, GU SHIPING, CHENG YUQUAN
Year of Publication 25.05.2018
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Year of Publication 25.05.2018
Patent
Water pressure-blasting coupling pre-splitting top-cutting pressure relief device
DONG YALUN, ZHAO ZIHAO, ZHANG JIANQIANG, LU CAIPING, CHENG GE, CHENG CHUANCHAO, LYU RUIXIANG, BAI LINGUO
Year of Publication 19.01.2024
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Year of Publication 19.01.2024
Patent
Water pressure-blasting coupling pre-splitting top-cutting pressure relief device and using method thereof
MA JUNPENG, DONG YALUN, ZHAO ZIHAO, ZHANG JIANQIANG, LU CAIPING, CHENG GE, CHENG CHUANCHAO, LYU RUIXIANG, BAI LINGUO
Year of Publication 07.11.2023
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Year of Publication 07.11.2023
Patent