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Shaft retractable pipeline and shaft retractable device
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Draw shaft structure
GUO ZENGMING, WANG PENGFEI, GUO XIANGCAN, AN JIANYING, WANG JIANZHONG, DU GUIWEN, XU CHANGLEI, ZHANG AIMIN, CUI CHUANJIE, SUN YANG
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Vertical shaft wall pipe clamp guide structure
MA JUNSHENG, GUO XIANGCAN, WANG JIANZHONG, GUO LEI, XU CHANGLEI, ZHANG AIMIN
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Year of Publication 24.11.2020
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Shaft wall pipeline fixing structure of vertical shaft
GUO ZENGMING, WANG PENGFEI, GUO XIANGCAN, XIA CHANGNIAN, MA LIMING, CUI CHUANJIE, SUN YANG
Year of Publication 24.11.2020
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Year of Publication 24.11.2020
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