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Oilfield drilling tools Mechanical Fishing Jar Type JS 70
General Introduction of Oilfield and Petroleum Equipments Drilling Tools Mechanical Fishing Jar Type JS70 The down hole jarring blow is adjustable without any rig floor adjustments necessary prior to the run. The tool can work in high temperature or high pressure deep well, ...
Dongying Lake Petroleum Technology co.,ltd [Manufacturing & Processing Machinery] [Mining Machinery Parts] [2018-03-10 11:55:14 ]
