CN201258452Y - 一种构筑小型拱桥和涵洞的构件 - Google Patents
一种构筑小型拱桥和涵洞的构件 Download PDFInfo
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- CN201258452Y CN201258452Y CNU2008201871048U CN200820187104U CN201258452Y CN 201258452 Y CN201258452 Y CN 201258452Y CN U2008201871048 U CNU2008201871048 U CN U2008201871048U CN 200820187104 U CN200820187104 U CN 200820187104U CN 201258452 Y CN201258452 Y CN 201258452Y
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CNU2008201871048U CN201258452Y (zh) | 2008-09-17 | 2008-09-17 | 一种构筑小型拱桥和涵洞的构件 |
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CNU2008201871048U CN201258452Y (zh) | 2008-09-17 | 2008-09-17 | 一种构筑小型拱桥和涵洞的构件 |
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CN201258452Y true CN201258452Y (zh) | 2009-06-17 |
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CNU2008201871048U Expired - Fee Related CN201258452Y (zh) | 2008-09-17 | 2008-09-17 | 一种构筑小型拱桥和涵洞的构件 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102433846A (zh) * | 2011-10-20 | 2012-05-02 | 北京交通大学 | 一种用于波纹钢板拱桥涵的波纹钢板片及其桥涵安装方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102433846A (zh) * | 2011-10-20 | 2012-05-02 | 北京交通大学 | 一种用于波纹钢板拱桥涵的波纹钢板片及其桥涵安装方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Ji Bohai Inventor after: Yuan Aimin Inventor after: Wu Wenfeng Inventor after: Tang Bridge Inventor before: Ji Bohai Inventor before: Wu Wenfeng Inventor before: Tang Bridge |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JI BOHAI; WU WENFENG; TANG QIAOLIANG TO: JI BOHAI; YUAN AIMIN; WU WENFENG;TANG QIAOLIANG |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20120917 |