Search Results - "LIU CHUNYOU" :: K.UTB vyhledávací portál

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Device for reducing content of dimer in polymer grade isoprene

by YANG MINGJIAN, QI XIAOYONG, LI XUE, LIU CHUNYOU, ZHANG NIANBO
Year of Publication 24.12.2021

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Limiting device of control valve of workover rig

by WANG ZHENGWU, LIU CHUNYOU, LI MINGRUI
Year of Publication 29.10.2014

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Turnable foldable driller's bench

by WU QIANG, WANG ZHENGWU, LIU CHUNYOU
Year of Publication 29.10.2014

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Locking device with adjustable locking force

by WANG ZHENGWU, XIE YU, LIU CHUNYOU
Year of Publication 29.10.2014

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Guard railing for safety platform pedal

by WANG ZHENGWU, LIU CHUNYOU, LI MINGRUI
Year of Publication 29.10.2014

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Silencer

by WANG ZHENGWU, JI GUOLONG, LIU CHUNYOU
Year of Publication 29.10.2014

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Retractable undercarriage of mechanical arm

by LIU CHANGMING, LIU CHUNYOU
Year of Publication 13.08.2014

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Folding type frame for hanging infusion bottle

by CHUNYOU LIU
Year of Publication 16.08.2000

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Well repairing device

by WANG XUDONG, JI CHANGZHI, ZHANG GUOCHAO, LIU CHUNYOU, FU WENQIANG, YU SHUAI
Year of Publication 01.07.2022

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Well repairing device

by WANG XUDONG, JI CHANGZHI, ZHANG GUOCHAO, LIU CHUNYOU, FU WENQIANG, YU SHUAI
Year of Publication 12.04.2022

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Patent

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Rig railing fast assembly connection structure

by JIANG QINGLING, XU CHANGZHENG, FAN QUAN, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG
Year of Publication 20.01.2016

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Simple and easy door bolt on oil -well rig

by JIANG QINGLING, XU CHANGZHENG, WANG KUO, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG
Year of Publication 13.01.2016

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Rig substructure joins in marriage emergency exit and safe chain device with big door pillar

by JIANG QINGLING, XU CHANGZHENG, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG, SHI CHONG
Year of Publication 13.01.2016

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Tubing coupling detection device

by LI CHUNWANG, CHI ZHIQIANG, WANG XUDONG, WANG KUN, JI CHANGZHI, LIU CHUNYOU, FU WENQIANG
Year of Publication 25.01.2022

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Dismountable rig substructure device

by JIANG QINGLING, XU CHANGZHENG, FAN QUAN, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG
Year of Publication 06.01.2016

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Rig cat way inclined ladder fixed structure

by JIANG QINGLING, XU CHANGZHENG, FAN QUAN, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG
Year of Publication 06.01.2016

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Detachable cap board is with simple and easy handle device

by XU CHANGZHENG, JIANG QINGLING, WANG KUO, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG
Year of Publication 06.01.2016

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A installing support for copper bar processing

by JIANG QINGLING, XU CHANGZHENG, XUE YANHONG, WANG ZHENGWU, LIU CHUNYOU, QU HAICHENG
Year of Publication 06.01.2016

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Lifting and lowering buffer control device for derrick of drilling machine and use method thereof

by CHEN JIE, WANG ANZHEN, LIU CHUNYOU, WANG YAN, LI TIEJUN
Year of Publication 09.12.2015

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Under-pressure working machine

by WANG XUDONG, JI CHANGZHI, WANG KUN, PU CHANGYAN, LIU CHUNYOU
Year of Publication 22.01.2021

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Patent

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