CN203213959U - 气动滑移跟进式钻杆定心装置 - Google Patents
气动滑移跟进式钻杆定心装置 Download PDFInfo
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- CN203213959U CN203213959U CN 201320077402 CN201320077402U CN203213959U CN 203213959 U CN203213959 U CN 203213959U CN 201320077402 CN201320077402 CN 201320077402 CN 201320077402 U CN201320077402 U CN 201320077402U CN 203213959 U CN203213959 U CN 203213959U
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CN 201320077402 CN203213959U (zh) | 2013-02-19 | 2013-02-19 | 气动滑移跟进式钻杆定心装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106351583A (zh) * | 2016-11-16 | 2017-01-25 | 河南广度超硬材料有限公司 | 一种矿用钻井扩张设备 |
CN112648937A (zh) * | 2019-10-13 | 2021-04-13 | 中北大学 | 带有防转机构的孔检测装置与检测方法 |
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2013
- 2013-02-19 CN CN 201320077402 patent/CN203213959U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106351583A (zh) * | 2016-11-16 | 2017-01-25 | 河南广度超硬材料有限公司 | 一种矿用钻井扩张设备 |
CN106351583B (zh) * | 2016-11-16 | 2018-07-24 | 山东烟台鑫泰黄金矿业有限责任公司 | 一种矿用钻井扩张设备 |
CN112648937A (zh) * | 2019-10-13 | 2021-04-13 | 中北大学 | 带有防转机构的孔检测装置与检测方法 |
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C14 | Grant of patent or utility model | ||
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C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Wenhui Inventor after: Guo Liang Inventor after: Zhang Hui Inventor after: Bai Jingwen Inventor after: Zhao Xiao Inventor after: Li Jindong Inventor after: Cao Gang Inventor after: Jia Baoliang Inventor after: Yao Zhenhe Inventor after: Tao Yishou Inventor after: Luo Yi Inventor after: Huang Yuewen Inventor before: Jia Baoliang Inventor before: Guo Liang Inventor before: Zhang Hui Inventor before: Bai Jingwen Inventor before: Zhang Wenhui Inventor before: Li Jindong Inventor before: Cao Gang Inventor before: Zhao Xiao Inventor before: Yao Zhenhe Inventor before: Tao Yishou Inventor before: Luo Yi Inventor before: Huang Yuewen |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIA BAOLIANG ZHANG WENHUI LI JINDONG CAO GANG ZHAO XIAO YAO ZHENHE TAO YISHOU LUO YI HUANG YUEWEN GUO LIANG ZHANG HUI BAI JINGWEN TO: ZHANG WENHUI ZHAO XIAO LI JINDONG CAO GANG JIA BAOLIANG YAO ZHENHE TAO YISHOU LUO YI HUANG YUEWEN GUO LIANG ZHANG HUI BAI JINGWEN |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20150219 |
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