High-pressure well drilling pump piston
LI YANSHUN, ZHANG YIGUI, YOU BINYI, DOU QINTAN, HAN LIPING, MU XUEJIE, MA YU, XU XUEFU
Year of Publication 16.04.2014
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Year of Publication 16.04.2014
Patent
Device for gluing inner wall of inner spiral pipe
LI YANSHUN, ZHANG YIGUI, YOU BINYI, DOU QINTAN, HAN LIPING, MU XUEJIE, WANG NA, MA YU, XU XUEFU
Year of Publication 15.01.2014
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Year of Publication 15.01.2014
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Integrated joint withholding tool for high-pressure water hose
LI YANSHUN, ZHANG YIGUI, YOU BINYI, DOU QINTAN, HAN LIPING, MU XUEJIE, WANG NA, MA YU, XU XUEFU
Year of Publication 15.01.2014
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Year of Publication 15.01.2014
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Automatic pressing device for outer identifier of tube body
LI YANSHUN, ZHANG YIGUI, YOU BINYI, DOU QINTAN, HAN LIPING, MU XUEJIE, WANG NA, MA YU, XU XUEFU
Year of Publication 15.01.2014
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Year of Publication 15.01.2014
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Large-caliber ultrahigh-pressure steel wire winding hose
LI YANSHUN, ZHANG YIGUI, YOU BINYI, DOU QINTAN, HAN LIPING, MU XUEJIE, WANG NA, MA YU, XU XUEFU
Year of Publication 15.01.2014
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Year of Publication 15.01.2014
Patent