CN101302743B - 钢制承插口预应力薄壁混凝土管 - Google Patents
钢制承插口预应力薄壁混凝土管 Download PDFInfo
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- CN101302743B CN101302743B CN200710057308XA CN200710057308A CN101302743B CN 101302743 B CN101302743 B CN 101302743B CN 200710057308X A CN200710057308X A CN 200710057308XA CN 200710057308 A CN200710057308 A CN 200710057308A CN 101302743 B CN101302743 B CN 101302743B
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- concrete pipe
- spigot
- concrete
- thin wall
- compressor wire
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Priority Applications (1)
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CN200710057308XA CN101302743B (zh) | 2007-05-10 | 2007-05-10 | 钢制承插口预应力薄壁混凝土管 |
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CN200710057308XA CN101302743B (zh) | 2007-05-10 | 2007-05-10 | 钢制承插口预应力薄壁混凝土管 |
Publications (2)
Publication Number | Publication Date |
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CN101302743A CN101302743A (zh) | 2008-11-12 |
CN101302743B true CN101302743B (zh) | 2011-07-13 |
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CN200710057308XA Expired - Fee Related CN101302743B (zh) | 2007-05-10 | 2007-05-10 | 钢制承插口预应力薄壁混凝土管 |
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CN (1) | CN101302743B (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1187174C (zh) * | 2001-04-13 | 2005-02-02 | 衡水泰昌预应力有限公司 | 一种大口径预应力混凝土管及其制备工艺 |
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2007
- 2007-05-10 CN CN200710057308XA patent/CN101302743B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1187174C (zh) * | 2001-04-13 | 2005-02-02 | 衡水泰昌预应力有限公司 | 一种大口径预应力混凝土管及其制备工艺 |
Non-Patent Citations (4)
Title |
---|
吕昌高.带钢筒预应力混凝土管生产方法及评价.混凝土与水泥制品 1985年第1期.1985,(19851),32-35. |
吕昌高.带钢筒预应力混凝土管生产方法及评价.混凝土与水泥制品 1985年第1期.1985,(19851),32-35. * |
郭永峰.预应力钢筒混凝土管生产过程的质量控制要点.特种结构21 2.2004,21(2),75-77. |
郭永峰.预应力钢筒混凝土管生产过程的质量控制要点.特种结构21 2.2004,21(2),75-77. * |
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CN101302743A (zh) | 2008-11-12 |
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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: 20110713 Termination date: 20170510 |