CN203925481U - 气密扣套管用通径规 - Google Patents
气密扣套管用通径规 Download PDFInfo
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- CN203925481U CN203925481U CN201420350465.5U CN201420350465U CN203925481U CN 203925481 U CN203925481 U CN 203925481U CN 201420350465 U CN201420350465 U CN 201420350465U CN 203925481 U CN203925481 U CN 203925481U
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CN201420350465.5U CN203925481U (zh) | 2014-06-26 | 2014-06-26 | 气密扣套管用通径规 |
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CN201420350465.5U CN203925481U (zh) | 2014-06-26 | 2014-06-26 | 气密扣套管用通径规 |
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CN203925481U true CN203925481U (zh) | 2014-11-05 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107270801A (zh) * | 2017-05-09 | 2017-10-20 | 中国科学院合肥物质科学研究院 | 一种超导导体异型铠甲内径检测装置 |
CN109488285A (zh) * | 2018-12-19 | 2019-03-19 | 贵州高峰石油机械股份有限公司 | 一种用于油井的可更换护套的通径规 |
CN109631722A (zh) * | 2018-12-10 | 2019-04-16 | 中国航发四川燃气涡轮研究院 | 一种发动机火焰筒冷却缝槽间隙的检测方法 |
CN112033333A (zh) * | 2020-04-21 | 2020-12-04 | 中国核工业第五建设有限公司 | 气密间隙检测装置及其检测方法 |
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2014
- 2014-06-26 CN CN201420350465.5U patent/CN203925481U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107270801A (zh) * | 2017-05-09 | 2017-10-20 | 中国科学院合肥物质科学研究院 | 一种超导导体异型铠甲内径检测装置 |
CN109631722A (zh) * | 2018-12-10 | 2019-04-16 | 中国航发四川燃气涡轮研究院 | 一种发动机火焰筒冷却缝槽间隙的检测方法 |
CN109488285A (zh) * | 2018-12-19 | 2019-03-19 | 贵州高峰石油机械股份有限公司 | 一种用于油井的可更换护套的通径规 |
CN112033333A (zh) * | 2020-04-21 | 2020-12-04 | 中国核工业第五建设有限公司 | 气密间隙检测装置及其检测方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210114 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. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20210626 |
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CF01 | Termination of patent right due to non-payment of annual fee |