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A kind of downhole tool rotating device
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A kind of encircling type manipulator for capturing tubing string in a row
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A kind of folding working rig rail set
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Oilfield tubing lifting device
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Tandem type two-stage mechanical seal device
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Single-screw boosting water injection pump
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Oil well casing gas recovering device
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Upright column robot placed on derrick upper platform
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Manipulator with tiltable thumb web
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Operation robot for drilling platform
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