CN206554801U - 水力振荡器振动短节保护装置 - Google Patents
水力振荡器振动短节保护装置 Download PDFInfo
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- CN206554801U CN206554801U CN201720162364.9U CN201720162364U CN206554801U CN 206554801 U CN206554801 U CN 206554801U CN 201720162364 U CN201720162364 U CN 201720162364U CN 206554801 U CN206554801 U CN 206554801U
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CN201720162364.9U CN206554801U (zh) | 2017-02-22 | 2017-02-22 | 水力振荡器振动短节保护装置 |
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CN201720162364.9U CN206554801U (zh) | 2017-02-22 | 2017-02-22 | 水力振荡器振动短节保护装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112652882A (zh) * | 2021-01-14 | 2021-04-13 | 成都锦江电子***工程有限公司 | 一种新型高频开放套筒振子的外导体封装防护方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112652882A (zh) * | 2021-01-14 | 2021-04-13 | 成都锦江电子***工程有限公司 | 一种新型高频开放套筒振子的外导体封装防护方法 |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211105 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 Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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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: 20171013 |