Clamp used for positioning embedded pipe and provided with hydraulic piston
DUAN CHANGLIN, MAO CHENGBAO, SU JUNJIE, ZHENG HUAICHEN, ZHANG WEISONG
Year of Publication 03.02.2023
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Year of Publication 03.02.2023
Patent
Traffic structural member for trestle and trestle
DUAN CHANGLIN, MAO CHENGBAO, SU JUNJIE, ZHENG HUAICHEN, ZHANG WEISONG
Year of Publication 10.01.2023
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Year of Publication 10.01.2023
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Trestle suitable for hoisting tunnel deeply-buried culvert pipe
DUAN CHANGLIN, MAO CHENGBAO, ZHENG HUAICHEN, YANG QINGHUA, WANG XINCHENG, XU SIJUN, WU ZHINENG
Year of Publication 24.11.2023
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Year of Publication 24.11.2023
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Groove template assembly
DUAN CHANGLIN, MAO CHENGBAO, SU JUNJIE, ZHENG HUAICHEN, ZHANG WEISONG
Year of Publication 27.12.2022
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Year of Publication 27.12.2022
Patent
Traffic structural member for trestle and trestle
DUAN CHANGLIN, MAO CHENGBAO, SU JUNJIE, ZHENG HUAICHEN, ZHANG WEISONG
Year of Publication 27.12.2022
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Year of Publication 27.12.2022
Patent
Groove template device
DUAN CHANGLIN, MAO CHENGBAO, SU JUNJIE, ZHENG HUAICHEN, ZHANG WEISONG
Year of Publication 27.12.2022
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Year of Publication 27.12.2022
Patent
Secondary filling formwork trolley for central ditch of high-speed rail tunnel
MAO CHENGBAO, ZHENG HUAICHEN, YANG QINGHUA, ZHANG WEISONG, XU SIJUN, YANG FANG
Year of Publication 11.10.2022
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Year of Publication 11.10.2022
Patent