CN101349368B - 内置塑料套筒承插口预应力钢筋混凝土管 - Google Patents
内置塑料套筒承插口预应力钢筋混凝土管 Download PDFInfo
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- CN101349368B CN101349368B CN2007100581550A CN200710058155A CN101349368B CN 101349368 B CN101349368 B CN 101349368B CN 2007100581550 A CN2007100581550 A CN 2007100581550A CN 200710058155 A CN200710058155 A CN 200710058155A CN 101349368 B CN101349368 B CN 101349368B
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- plastic sleeve
- concrete pipe
- socket
- bellmouth
- reinforced concrete
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2007100581550A CN101349368B (zh) | 2007-07-16 | 2007-07-16 | 内置塑料套筒承插口预应力钢筋混凝土管 |
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CN2007100581550A CN101349368B (zh) | 2007-07-16 | 2007-07-16 | 内置塑料套筒承插口预应力钢筋混凝土管 |
Publications (2)
Publication Number | Publication Date |
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CN101349368A CN101349368A (zh) | 2009-01-21 |
CN101349368B true CN101349368B (zh) | 2011-12-14 |
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CN2007100581550A Expired - Fee Related CN101349368B (zh) | 2007-07-16 | 2007-07-16 | 内置塑料套筒承插口预应力钢筋混凝土管 |
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CN115136915B (zh) * | 2022-05-20 | 2024-01-26 | 北京万远科技有限公司 | 一种环梁 |
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CN101349368A (zh) | 2009-01-21 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
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. |
|
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: 20111214 Termination date: 20160716 |