CN203175492U - 多磁场强共振自动调温式电磁防除蜡阻垢器 - Google Patents
多磁场强共振自动调温式电磁防除蜡阻垢器 Download PDFInfo
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CN 201320204724 CN203175492U (zh) | 2013-04-22 | 2013-04-22 | 多磁场强共振自动调温式电磁防除蜡阻垢器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106223901A (zh) * | 2016-09-30 | 2016-12-14 | 张振海 | 多井组电磁防蜡传播装置及方法 |
WO2021232884A1 (zh) * | 2020-05-18 | 2021-11-25 | 东营同博石油电子仪器有限公司 | 原油采输管道全扫频电磁防蜡阻垢缓蚀装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106223901A (zh) * | 2016-09-30 | 2016-12-14 | 张振海 | 多井组电磁防蜡传播装置及方法 |
CN106223901B (zh) * | 2016-09-30 | 2018-12-21 | 张振海 | 多井组电磁防蜡传播装置及方法 |
WO2021232884A1 (zh) * | 2020-05-18 | 2021-11-25 | 东营同博石油电子仪器有限公司 | 原油采输管道全扫频电磁防蜡阻垢缓蚀装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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Owner name: DALIAN SHENGSHI FADA PETROLEUM TECHNOLOGY DEVELOPM Free format text: FORMER OWNER: WANG TAO Effective date: 20140123 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140123 Address after: 163000 B, block 423, hi tech Zone, Daqing hi tech Zone, Heilongjiang Patentee after: Daqing Shengshi Petroleum Science and Technology Development Co Ltd Address before: 163000 building 423, building B, hi tech Zone, Daqing hi tech Zone, Heilongjiang Patentee before: Wang Tao |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20150422 |
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EXPY | Termination of patent right or utility model |