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Early warning method for sudden dislocation instability of hard rock joint surface based on acoustic emission monitoring
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Constant flow control system and belt weigher fault positioning method
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Geosynthetics bursting strength test device
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Year of Publication 28.08.2020
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Semi-automatic water and fertilizer topdressing device
GAO QINGLEI, LOU YONGFA, CHEN XIUZHAI, XUE BIN, ZHAO XINFENG, LI ANDAO, ZHANG YONGCHUN, GONG AIQIN, MENG FANZHEN
Year of Publication 03.07.2020
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Year of Publication 03.07.2020
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