CN215408680U - 一种敞开式tbm隧道施工用堵水支护装置 - Google Patents
一种敞开式tbm隧道施工用堵水支护装置 Download PDFInfo
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Effective date of registration: 20220825 Address after: 810000 No. 38 Jinqiao Road, Dongchuan Industrial Park, Chengdong District, Xining City, Qinghai Province Patentee after: SINOHYDRO ENGINEERING BUREAU 4 Co.,Ltd. Patentee after: Xinjiang Erqisi River Investment and development (Group) Co.,Ltd. Address before: 810000 No. 38 Jinqiao Road, Dongchuan Industrial Park, Chengdong District, Xining City, Qinghai Province Patentee before: SINOHYDRO ENGINEERING BUREAU 4 Co.,Ltd. Patentee before: XINJIANG IRTYSH RIVER BASIN DEVELOPMENT ENGINEERING CONSTRUCTION ADMINISTRATION |
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