CN203627110U - 一种正偏置式曲柄连杆机构往复泵 - Google Patents
一种正偏置式曲柄连杆机构往复泵 Download PDFInfo
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- CN203627110U CN203627110U CN201320729130.XU CN201320729130U CN203627110U CN 203627110 U CN203627110 U CN 203627110U CN 201320729130 U CN201320729130 U CN 201320729130U CN 203627110 U CN203627110 U CN 203627110U
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CN201320729130.XU CN203627110U (zh) | 2013-11-15 | 2013-11-15 | 一种正偏置式曲柄连杆机构往复泵 |
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Cited By (1)
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CN104595176A (zh) * | 2015-01-26 | 2015-05-06 | 宝鸡石油机械有限责任公司 | 钻井泵十字头至活塞的柔性连接方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104595176A (zh) * | 2015-01-26 | 2015-05-06 | 宝鸡石油机械有限责任公司 | 钻井泵十字头至活塞的柔性连接方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Effective date of registration: 20210113 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: BAOJI OILFIELD MACHINERY Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co.,Ltd. Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 |
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CF01 | Termination of patent right due to non-payment of annual fee |