CN101311601B - 钢筒加强钢制承插口预应力纵筋混凝土顶管 - Google Patents
钢筒加强钢制承插口预应力纵筋混凝土顶管 Download PDFInfo
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- CN101311601B CN101311601B CN2007100574523A CN200710057452A CN101311601B CN 101311601 B CN101311601 B CN 101311601B CN 2007100574523 A CN2007100574523 A CN 2007100574523A CN 200710057452 A CN200710057452 A CN 200710057452A CN 101311601 B CN101311601 B CN 101311601B
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CN2007100574523A CN101311601B (zh) | 2007-05-24 | 2007-05-24 | 钢筒加强钢制承插口预应力纵筋混凝土顶管 |
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CN2007100574523A CN101311601B (zh) | 2007-05-24 | 2007-05-24 | 钢筒加强钢制承插口预应力纵筋混凝土顶管 |
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CN101311601A CN101311601A (zh) | 2008-11-26 |
CN101311601B true CN101311601B (zh) | 2011-01-12 |
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CN2007100574523A Expired - Fee Related CN101311601B (zh) | 2007-05-24 | 2007-05-24 | 钢筒加强钢制承插口预应力纵筋混凝土顶管 |
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CN112728210A (zh) * | 2020-12-30 | 2021-04-30 | 湖州友盛水泥制品有限公司 | 一种混凝土顶管结构 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2589774Y (zh) * | 2002-11-25 | 2003-12-03 | 国统国际股份有限公司 | 推进式预应力混凝土管 |
CN201028171Y (zh) * | 2007-05-24 | 2008-02-27 | 天津万联管道工程有限公司 | 钢筒加强钢制承插口预应力纵筋混凝土顶管 |
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CN2589774Y (zh) * | 2002-11-25 | 2003-12-03 | 国统国际股份有限公司 | 推进式预应力混凝土管 |
CN201028171Y (zh) * | 2007-05-24 | 2008-02-27 | 天津万联管道工程有限公司 | 钢筒加强钢制承插口预应力纵筋混凝土顶管 |
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CN101311601A (zh) | 2008-11-26 |
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C14 | Grant of patent or utility model | ||
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ASS | Succession or assignment of patent right |
Owner name: TIANJIN WANLIAN PIPE TECHNOLOGY DEVELOPMENT CO., L Free format text: FORMER OWNER: TIANJIN WATERLINE PIPELINE ENGINEERING CO., LTD. Effective date: 20150722 |
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Effective date of registration: 20150722 Address after: 323, room 8, -12, 301700 Fumin Road, Tianjin, Wuqing district (central office area) Patentee after: Tianjin Wanlian Pipeline Technology Development Co. Ltd. Address before: 300170 Fumin Economic Zone, Wuqing District, Tianjin Patentee before: Tianjin Waterline Pipeline Engineering Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20170524 |