CN210890553U - 油气管道支管带压封堵器 - Google Patents
油气管道支管带压封堵器 Download PDFInfo
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- CN210890553U CN210890553U CN201921904217.XU CN201921904217U CN210890553U CN 210890553 U CN210890553 U CN 210890553U CN 201921904217 U CN201921904217 U CN 201921904217U CN 210890553 U CN210890553 U CN 210890553U
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- sleeve
- bearing
- power rod
- oil
- gas pipeline
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Application Number | Priority Date | Filing Date | Title |
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CN201921904217.XU CN210890553U (zh) | 2019-11-07 | 2019-11-07 | 油气管道支管带压封堵器 |
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CN201921904217.XU CN210890553U (zh) | 2019-11-07 | 2019-11-07 | 油气管道支管带压封堵器 |
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CN210890553U true CN210890553U (zh) | 2020-06-30 |
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CN201921904217.XU Expired - Fee Related CN210890553U (zh) | 2019-11-07 | 2019-11-07 | 油气管道支管带压封堵器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110778835A (zh) * | 2019-11-07 | 2020-02-11 | 中国石化销售有限公司华北分公司 | 油气管道支管带压封堵器及封堵工法 |
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2019
- 2019-11-07 CN CN201921904217.XU patent/CN210890553U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110778835A (zh) * | 2019-11-07 | 2020-02-11 | 中国石化销售有限公司华北分公司 | 油气管道支管带压封堵器及封堵工法 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 300384 No. 11 Rongyuan Road, Huayuan Industrial Zone, Nankai District, Tianjin Patentee after: Sinopec North China branch Address before: 300384 No. 11 Rongyuan Road, Huayuan Industrial Zone, Nankai District, Tianjin Patentee before: Sinopec Sales Co.,Ltd. North China Branch |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200901 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: China Petroleum & Chemical Corp. Address before: 300384 No. 11 Rongyuan Road, Huayuan Industrial Zone, Nankai District, Tianjin Patentee before: Sinopec North China branch |
|
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: 20200630 Termination date: 20211107 |