CN213574128U - 一种隧道工程钢拱架定位辅助装置 - Google Patents
一种隧道工程钢拱架定位辅助装置 Download PDFInfo
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Effective date of registration: 20220805 Address after: 100000 room 1510, 15 / F, block a, Shitong building, zhoujiajing compound, Guanzhuang, Chaoyang District, Beijing Patentee after: CCCC TUNNEL ENGINEERING Co.,Ltd. Patentee after: CCCC First Highway Engineering Group Huazhong Engineering Co.,Ltd. Patentee after: CHINA COMMUNICATIONS CONSTRUCTION JIJIAO EXPRESSWAY INVESTMENT DEVELOPMENT Co.,Ltd. Patentee after: CCCC Investment Co.,Ltd. Patentee after: HEBEI HIGHWAY & WATERWAY ENGINEERING CONSULTING CO.,LTD. Address before: 100000 Beijing Chaoyang District Lize East Second Road, No. 2 Courtyard Building-1 to 8 Floors 101, 607 Patentee before: CCCC TUNNEL ENGINEERING Co.,Ltd. |
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