CN103334719B - 太阳能磁悬浮抽油机 - Google Patents
太阳能磁悬浮抽油机 Download PDFInfo
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CN201310291459.7A CN103334719B (zh) | 2013-07-12 | 2013-07-12 | 太阳能磁悬浮抽油机 |
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CN201310291459.7A CN103334719B (zh) | 2013-07-12 | 2013-07-12 | 太阳能磁悬浮抽油机 |
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CN103334719A CN103334719A (zh) | 2013-10-02 |
CN103334719B true CN103334719B (zh) | 2015-12-23 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN2544097Y (zh) * | 2002-06-13 | 2003-04-09 | 胡理想 | 圆筒型直线电机驱动抽油机 |
US7091460B2 (en) * | 2004-03-15 | 2006-08-15 | Dwight Eric Kinzer | In situ processing of hydrocarbon-bearing formations with variable frequency automated capacitive radio frequency dielectric heating |
CN1840904B (zh) * | 2005-11-18 | 2012-12-26 | 王钢 | 超低速大扭矩异型电机拖动塔架式高效低耗智能抽油机 |
CN202926301U (zh) * | 2012-11-27 | 2013-05-08 | 刘春祥 | 磁力驱动抽油机 |
CN203321457U (zh) * | 2013-07-12 | 2013-12-04 | 李洪伟 | 太阳能磁悬浮抽油机 |
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Effective date of registration: 20200717 Address after: 163000, C4, block 232 and 235, service outsourcing industry park, 6-2 Xinfeng Road, hi tech Zone, Heilongjiang, Daqing Patentee after: Daqing Huagu Technology Co.,Ltd. Address before: 150000, No. 7, building 2, No. 5, North District, two North Street, North Street, Daowai District, Heilongjiang, Harbin. 1 Patentee before: Li Hongwei |
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Effective date of registration: 20220831 Address after: No. 167, Guanlubu Village, Bolan Town, Jimo Section, Qingdao City, Shandong Province, 266000 Patentee after: Qingdao Huagu Machinery Co.,Ltd. Address before: 163000 rooms 232 and 235, block C4, Service Outsourcing Industrial Park, 6-2 Xinfeng Road, high tech Zone, Daqing City, Heilongjiang Province Patentee before: Daqing Huagu Technology Co.,Ltd. |