CN212154678U - 一种耐磨抗腐型包覆抽油杆 - Google Patents
一种耐磨抗腐型包覆抽油杆 Download PDFInfo
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CN116241193A (zh) * | 2023-04-19 | 2023-06-09 | 淄博弘扬威德福油田设备有限公司 | 一种耐腐蚀的抽油杆 |
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CN116241193A (zh) * | 2023-04-19 | 2023-06-09 | 淄博弘扬威德福油田设备有限公司 | 一种耐腐蚀的抽油杆 |
CN116241193B (zh) * | 2023-04-19 | 2023-10-27 | 淄博弘扬威德福油田设备有限公司 | 一种耐腐蚀的抽油杆 |
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Inventor after: Liu Yiliang Inventor after: Sun Jiaxing Inventor after: Wang Wenchen Inventor after: Liu Yichen Inventor after: Liu Yihe Inventor after: Liu Guoguang Inventor after: Cui Donghua Inventor before: Liu Yiliang Inventor before: Sun Jiaxing Inventor before: Wang Wenchen Inventor before: Liu Yichen Inventor before: Liu Yihe Inventor before: Yu Fazhen Inventor before: Liu Guoguang Inventor before: Cui Donghua |
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