CN213869804U - 快速拆装连接热采套管头及其热采井口装置 - Google Patents
快速拆装连接热采套管头及其热采井口装置 Download PDFInfo
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Inventor after: Cui Long Inventor after: Cui Wenqi Inventor after: Cui Zehua Inventor after: Cui Chunbo Inventor after: Yao Hongkou Inventor after: Wang Fazhang Inventor after: Ji Yuerong Inventor before: Cui Long Inventor before: Cui Wenqi Inventor before: Cui Zehua Inventor before: Chun Bo Dun Inventor before: Yao Hongkou Inventor before: Wang Fazhang Inventor before: Ji Yuerong |
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