CN213646087U - 一种石油套管固定装置 - Google Patents
一种石油套管固定装置 Download PDFInfo
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- CN213646087U CN213646087U CN202022702982.2U CN202022702982U CN213646087U CN 213646087 U CN213646087 U CN 213646087U CN 202022702982 U CN202022702982 U CN 202022702982U CN 213646087 U CN213646087 U CN 213646087U
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- oil casing
- frame
- fixing device
- clamp splice
- casing fixing
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CN202022702982.2U CN213646087U (zh) | 2020-11-20 | 2020-11-20 | 一种石油套管固定装置 |
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CN202022702982.2U CN213646087U (zh) | 2020-11-20 | 2020-11-20 | 一种石油套管固定装置 |
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CN213646087U true CN213646087U (zh) | 2021-07-09 |
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CN202022702982.2U Expired - Fee Related CN213646087U (zh) | 2020-11-20 | 2020-11-20 | 一种石油套管固定装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211101 Address after: 300000 room 404, building C05, venture headquarters base on the north side of Fuyuan Road, Wuqing District, Tianjin Patentee after: Komina (Tianjin) communication technology Co.,Ltd. Address before: Room 414-18, building C05, venture headquarters base, North Fuyuan Road, development zone, Wuqing District, Tianjin (centralized office area) Patentee before: Tianjin sterstone Petroleum Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210709 Termination date: 20211120 |
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CF01 | Termination of patent right due to non-payment of annual fee |