CN206889021U - 一种矿山法深埋水下交通隧道废水分段收集分级提升构造 - Google Patents
一种矿山法深埋水下交通隧道废水分段收集分级提升构造 Download PDFInfo
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CN107165673A (zh) * | 2017-05-18 | 2017-09-15 | 中铁隧道勘测设计院有限公司 | 一种矿山法深埋水下交通隧道废水分段收集分级提升构造 |
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CN107165673A (zh) * | 2017-05-18 | 2017-09-15 | 中铁隧道勘测设计院有限公司 | 一种矿山法深埋水下交通隧道废水分段收集分级提升构造 |
CN107165673B (zh) * | 2017-05-18 | 2023-07-04 | 中铁第六勘察设计院集团有限公司 | 一种矿山法深埋水下交通隧道废水分段收集分级提升构造 |
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Effective date of registration: 20180704 Address after: 300000 Tianjin free trade zone (Airport Economic Zone), 2-3116 South Road 88. Patentee after: CHINA RAILWAY LIUYUAN GROUP Co.,Ltd. Address before: 300000 Tianjin Tianjin Hongqiao District Bridge South East Road Co-patentee before: CHINA RAILWAY LIUYUAN GROUP Co.,Ltd. Patentee before: CHINA RAILWAY TUNNEL SURVEY & DESIGN INSTITUTE Co.,Ltd. |
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Granted publication date: 20180116 Effective date of abandoning: 20230704 |
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Granted publication date: 20180116 Effective date of abandoning: 20230704 |
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AV01 | Patent right actively abandoned |