CN201330405Y - 一种消除地坑浮力的地坑结构 - Google Patents
一种消除地坑浮力的地坑结构 Download PDFInfo
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- CN201330405Y CN201330405Y CNU2008203033261U CN200820303326U CN201330405Y CN 201330405 Y CN201330405 Y CN 201330405Y CN U2008203033261 U CNU2008203033261 U CN U2008203033261U CN 200820303326 U CN200820303326 U CN 200820303326U CN 201330405 Y CN201330405 Y CN 201330405Y
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Application Number | Priority Date | Filing Date | Title |
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CNU2008203033261U CN201330405Y (zh) | 2008-12-11 | 2008-12-11 | 一种消除地坑浮力的地坑结构 |
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CNU2008203033261U CN201330405Y (zh) | 2008-12-11 | 2008-12-11 | 一种消除地坑浮力的地坑结构 |
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CN201330405Y true CN201330405Y (zh) | 2009-10-21 |
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CNU2008203033261U Expired - Fee Related CN201330405Y (zh) | 2008-12-11 | 2008-12-11 | 一种消除地坑浮力的地坑结构 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: GUIYANG ALUMINUM AND MAGNESIUM DESIGN INSTITUTE CO Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. Effective date: 20110602 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 550004 NO. 208, BEIJING ROAD, GUIYANG CITY, GUIZHOU PROVINCE TO: 550081 NO.2, JINZHU ROAD, JINYANG NEW DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20110602 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20141211 |
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EXPY | Termination of patent right or utility model |