CN204200220U - 可压缩同轴连接装置 - Google Patents
可压缩同轴连接装置 Download PDFInfo
- Publication number
- CN204200220U CN204200220U CN201420438572.3U CN201420438572U CN204200220U CN 204200220 U CN204200220 U CN 204200220U CN 201420438572 U CN201420438572 U CN 201420438572U CN 204200220 U CN204200220 U CN 204200220U
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420438572.3U CN204200220U (zh) | 2014-08-05 | 2014-08-05 | 可压缩同轴连接装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420438572.3U CN204200220U (zh) | 2014-08-05 | 2014-08-05 | 可压缩同轴连接装置 |
Publications (1)
Publication Number | Publication Date |
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CN204200220U true CN204200220U (zh) | 2015-03-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420438572.3U Expired - Fee Related CN204200220U (zh) | 2014-08-05 | 2014-08-05 | 可压缩同轴连接装置 |
Country Status (1)
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CN (1) | CN204200220U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250625A (zh) * | 2021-06-01 | 2021-08-13 | 西南石油大学 | 一种压力平衡式调心电钻杆 |
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2014
- 2014-08-05 CN CN201420438572.3U patent/CN204200220U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250625A (zh) * | 2021-06-01 | 2021-08-13 | 西南石油大学 | 一种压力平衡式调心电钻杆 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210203 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 |
|
CF01 | Termination of patent right due to non-payment of annual fee |