CN210033308U - 一种锥面直连式隔热油管 - Google Patents
一种锥面直连式隔热油管 Download PDFInfo
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- CN210033308U CN210033308U CN201822208297.7U CN201822208297U CN210033308U CN 210033308 U CN210033308 U CN 210033308U CN 201822208297 U CN201822208297 U CN 201822208297U CN 210033308 U CN210033308 U CN 210033308U
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- conical surface
- oil pipe
- ball
- heat insulation
- pipe
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Application Number | Priority Date | Filing Date | Title |
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CN201822208297.7U CN210033308U (zh) | 2018-12-27 | 2018-12-27 | 一种锥面直连式隔热油管 |
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CN201822208297.7U CN210033308U (zh) | 2018-12-27 | 2018-12-27 | 一种锥面直连式隔热油管 |
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CN210033308U true CN210033308U (zh) | 2020-02-07 |
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CN201822208297.7U Expired - Fee Related CN210033308U (zh) | 2018-12-27 | 2018-12-27 | 一种锥面直连式隔热油管 |
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CN (1) | CN210033308U (zh) |
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2018
- 2018-12-27 CN CN201822208297.7U patent/CN210033308U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200421 Address after: 124114 Huanxi Street Jinhuan company, Xinglongtai District, Panjin City, Liaoning Province Patentee after: PANJIN LIAOHE OIL FIELD JINHUAN INDUSTRY Co.,Ltd. Address before: 124114 Room 225, Administrative Committee Building, 360 Zhonghua Road, Xinglongtai District, Panjin City, Liaoning Province Patentee before: PANJIN YAXING KECHUANG INDUSTRIAL Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20201227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |