CN205118271U - 带有万向节连轴驱动装置的波纹管闸阀 - Google Patents
带有万向节连轴驱动装置的波纹管闸阀 Download PDFInfo
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CN112833207A (zh) * | 2019-11-25 | 2021-05-25 | 中国石油天然气股份有限公司 | 热采井口闸阀 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112833207A (zh) * | 2019-11-25 | 2021-05-25 | 中国石油天然气股份有限公司 | 热采井口闸阀 |
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Inventor after: Jin Zhiyuan Inventor after: Wang Yongfa Inventor after: Yang Hui Inventor after: Huang Shiran Inventor after: Huang Keqin Inventor before: Jin Zhiyuan Inventor before: Wang Yongfa Inventor before: Chen Ziwu Inventor before: Yang Hui Inventor before: Huang Shiran Inventor before: Huang Keqin |