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R780 Steel Friction Welding DTH Drill Pipe/ 76, 89, 102, 114mm for Rock Blasting and Water Well Drilling

R780 Steel Friction Welding DTH Drill Pipe/ 76, 89, 102, 114mm for Rock Blasting and Water Well Drilling
Product DescriptionName:Wireline Drill RodProduct Basic parametersModel:BAU(Q), NAU(Q), HAU(Q), BRAU(RQ),NRAU(RQ), HRAU...

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