CN207932148U - A kind of bag-breaking device of reinforcing oil well bagged cement - Google Patents
A kind of bag-breaking device of reinforcing oil well bagged cement Download PDFInfo
- Publication number
- CN207932148U CN207932148U CN201820351441.XU CN201820351441U CN207932148U CN 207932148 U CN207932148 U CN 207932148U CN 201820351441 U CN201820351441 U CN 201820351441U CN 207932148 U CN207932148 U CN 207932148U
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- bag
- vibrating bunker
- vertical steel
- steel sword
- wall
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820351441.XU CN207932148U (en) | 2018-03-15 | 2018-03-15 | A kind of bag-breaking device of reinforcing oil well bagged cement |
Applications Claiming Priority (1)
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CN201820351441.XU CN207932148U (en) | 2018-03-15 | 2018-03-15 | A kind of bag-breaking device of reinforcing oil well bagged cement |
Publications (1)
Publication Number | Publication Date |
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CN207932148U true CN207932148U (en) | 2018-10-02 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820351441.XU Expired - Fee Related CN207932148U (en) | 2018-03-15 | 2018-03-15 | A kind of bag-breaking device of reinforcing oil well bagged cement |
Country Status (1)
Country | Link |
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CN (1) | CN207932148U (en) |
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2018
- 2018-03-15 CN CN201820351441.XU patent/CN207932148U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201030 Address after: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Economic Development Zone, No. 83, No. second main street, Tianjin, China Petroleum Building, Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |
|
CF01 | Termination of patent right due to non-payment of annual fee |