CN101660632B - 预应力大型带肋钢管 - Google Patents
预应力大型带肋钢管 Download PDFInfo
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- CN101660632B CN101660632B CN 200810054371 CN200810054371A CN101660632B CN 101660632 B CN101660632 B CN 101660632B CN 200810054371 CN200810054371 CN 200810054371 CN 200810054371 A CN200810054371 A CN 200810054371A CN 101660632 B CN101660632 B CN 101660632B
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- steel pipe
- steel
- protective layer
- rib
- wall
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Abstract
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Priority Applications (1)
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CN 200810054371 CN101660632B (zh) | 2008-08-29 | 2008-08-29 | 预应力大型带肋钢管 |
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CN 200810054371 CN101660632B (zh) | 2008-08-29 | 2008-08-29 | 预应力大型带肋钢管 |
Publications (2)
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CN101660632A CN101660632A (zh) | 2010-03-03 |
CN101660632B true CN101660632B (zh) | 2012-12-12 |
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CN 200810054371 Expired - Fee Related CN101660632B (zh) | 2008-08-29 | 2008-08-29 | 预应力大型带肋钢管 |
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CN (1) | CN101660632B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112797233B (zh) * | 2021-01-21 | 2021-09-17 | 浙江巨龙管业科技有限公司 | 预应力钢筒混凝土管结构及其工装 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1201261B (de) * | 1954-02-11 | 1965-09-16 | Handel En Ind Indonesian Plann | Druckrohrleitung |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1201261B (de) * | 1954-02-11 | 1965-09-16 | Handel En Ind Indonesian Plann | Druckrohrleitung |
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Publication number | Publication date |
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CN101660632A (zh) | 2010-03-03 |
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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 |
Granted publication date: 20121212 Termination date: 20160829 |
|
CF01 | Termination of patent right due to non-payment of annual fee |