CN201032036Y - 管道不停输施工专用管件 - Google Patents
管道不停输施工专用管件 Download PDFInfo
- Publication number
- CN201032036Y CN201032036Y CNU2007200702480U CN200720070248U CN201032036Y CN 201032036 Y CN201032036 Y CN 201032036Y CN U2007200702480 U CNU2007200702480 U CN U2007200702480U CN 200720070248 U CN200720070248 U CN 200720070248U CN 201032036 Y CN201032036 Y CN 201032036Y
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- Prior art keywords
- pipe fitting
- shoulder
- construction
- pipeline
- connecting end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200702480U CN201032036Y (zh) | 2007-05-25 | 2007-05-25 | 管道不停输施工专用管件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200702480U CN201032036Y (zh) | 2007-05-25 | 2007-05-25 | 管道不停输施工专用管件 |
Publications (1)
Publication Number | Publication Date |
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CN201032036Y true CN201032036Y (zh) | 2008-03-05 |
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Application Number | Title | Priority Date | Filing Date |
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CNU2007200702480U Expired - Lifetime CN201032036Y (zh) | 2007-05-25 | 2007-05-25 | 管道不停输施工专用管件 |
Country Status (1)
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CN (1) | CN201032036Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104100789A (zh) * | 2013-04-03 | 2014-10-15 | 中国石油天然气集团公司 | 在役油气管道用不停输外引旁支四通 |
CN104121449A (zh) * | 2013-04-25 | 2014-10-29 | 中国石油化工股份有限公司 | 一种管道带压封堵装置及封堵方法 |
CN104421563A (zh) * | 2013-09-04 | 2015-03-18 | 中国石油天然气集团公司 | 一种支线管道透气虑罩及制备方法 |
-
2007
- 2007-05-25 CN CNU2007200702480U patent/CN201032036Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104100789A (zh) * | 2013-04-03 | 2014-10-15 | 中国石油天然气集团公司 | 在役油气管道用不停输外引旁支四通 |
CN104121449A (zh) * | 2013-04-25 | 2014-10-29 | 中国石油化工股份有限公司 | 一种管道带压封堵装置及封堵方法 |
CN104421563A (zh) * | 2013-09-04 | 2015-03-18 | 中国石油天然气集团公司 | 一种支线管道透气虑罩及制备方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: Gu Jun Inventor after: Wang Minmin Inventor after: Zhong Hongguang Inventor after: Xu Wenhao Inventor after: Zhang Xu Inventor before: Gu Nian Inventor before: Wang Minmin Inventor before: Zhong Hongguang Inventor before: Xu Wenhao Inventor before: Zhang Xu |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GU NIAN; WANG MINMIN; ZHONG HONGGUANG; XU WENHAO; ZHANG XU TO: GU JUN; WANG MINMIN; ZHONG HONGGUANG; XU WENHAO; ZHANG XU |
|
CX01 | Expiry of patent term |
Granted publication date: 20080305 |
|
CX01 | Expiry of patent term |