CN214660347U - 一种隧道围岩变形检测结构 - Google Patents
一种隧道围岩变形检测结构 Download PDFInfo
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Address after: 100000 zhoujiajing, Guanzhuang, Chaoyang District, Beijing Patentee after: CHINA FIRST HIGHWAY ENGINEERING Co.,Ltd. Patentee after: CCCC Central South Engineering Bureau Co.,Ltd. Patentee after: Gansu gonghanglv Tongding Expressway Management Co.,Ltd. Address before: 100000 zhoujiajing, Guanzhuang, Chaoyang District, Beijing Patentee before: CHINA FIRST HIGHWAY ENGINEERING Co.,Ltd. Patentee before: BRIDGE & TUNNEL ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. Patentee before: Gansu gonghanglv Tongding Expressway Management Co.,Ltd. |
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Granted publication date: 20211109 |
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