Pole pipe integration vacuum oil -well pump

The utility model discloses a pole pipe integration vacuum oil -well pump, including plunger and pump barrel, the plunger slides and sets up at the pump barrel intracavity, and the upper end of pump barrel passes through that the hanger is fixed to set up on set tube cavity inner wall its characteri...

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Bibliographic Details
Main Authors MA JIPO, MA BAOZHONG, ZHAI WENYUAN, ZHANG WEI, SONG YANWEN
Format Patent
LanguageChinese
English
Published 22.02.2017
Subjects
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