CN203701985U - 钢体五刀翼pdc钻头 - Google Patents
钢体五刀翼pdc钻头 Download PDFInfo
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- CN203701985U CN203701985U CN201320881012.0U CN201320881012U CN203701985U CN 203701985 U CN203701985 U CN 203701985U CN 201320881012 U CN201320881012 U CN 201320881012U CN 203701985 U CN203701985 U CN 203701985U
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- wing
- main cutting
- short sword
- cutting tooth
- steel body
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CN201320881012.0U CN203701985U (zh) | 2013-12-30 | 2013-12-30 | 钢体五刀翼pdc钻头 |
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CN201320881012.0U CN203701985U (zh) | 2013-12-30 | 2013-12-30 | 钢体五刀翼pdc钻头 |
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CN203701985U true CN203701985U (zh) | 2014-07-09 |
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CN201320881012.0U Expired - Fee Related CN203701985U (zh) | 2013-12-30 | 2013-12-30 | 钢体五刀翼pdc钻头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112211559A (zh) * | 2020-11-20 | 2021-01-12 | 大庆石油管理局有限公司 | 一种模块化组装式钢体pdc钻头 |
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- 2013-12-30 CN CN201320881012.0U patent/CN203701985U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112211559A (zh) * | 2020-11-20 | 2021-01-12 | 大庆石油管理局有限公司 | 一种模块化组装式钢体pdc钻头 |
CN112211559B (zh) * | 2020-11-20 | 2023-12-22 | 大庆石油管理局有限公司 | 一种模块化组装式钢体pdc钻头 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CB03 | Change of inventor or designer information |
Inventor after: Zeng Weilin Inventor before: Zeng Weilin Inventor before: Zhang Jie |
|
COR | Change of bibliographic data | ||
CP01 | Change in the name or title of a patent holder |
Address after: 834000, No. four, No. 3860, Ping Bei Road, the Xinjiang Uygur Autonomous Region, Karamay Patentee after: Xinjiang new edge Petroleum Technology Service Limited by Share Ltd. Address before: 834000, No. four, No. 3860, Ping Bei Road, the Xinjiang Uygur Autonomous Region, Karamay Patentee before: KARAMAY NEW EDGE DIAMOND DRILL MANUFACTURING Co.,Ltd. |
|
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: 20140709 Termination date: 20211230 |