CN205716029U - 一种井下输油管道用套筒 - Google Patents
一种井下输油管道用套筒 Download PDFInfo
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- CN205716029U CN205716029U CN201620401172.4U CN201620401172U CN205716029U CN 205716029 U CN205716029 U CN 205716029U CN 201620401172 U CN201620401172 U CN 201620401172U CN 205716029 U CN205716029 U CN 205716029U
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CN201620401172.4U CN205716029U (zh) | 2016-05-03 | 2016-05-03 | 一种井下输油管道用套筒 |
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CN201620401172.4U CN205716029U (zh) | 2016-05-03 | 2016-05-03 | 一种井下输油管道用套筒 |
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CN205716029U true CN205716029U (zh) | 2016-11-23 |
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CN201620401172.4U Expired - Fee Related CN205716029U (zh) | 2016-05-03 | 2016-05-03 | 一种井下输油管道用套筒 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Tan Guofu Inventor before: Liu Honggang |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170707 Address after: 224753 Jiangsu Jianhu County of Yancheng City province Jianyang Town Development Zone Patentee after: Jianhu County Hui Hao Power Petrochemical Machinery Co. Ltd. Address before: 225300 Jiangsu city of Taizhou province Su Chen Zhen Xi Shi Yang Cun Hailing District ten groups Patentee before: Liu Honggang |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190503 |
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CF01 | Termination of patent right due to non-payment of annual fee |