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MACHINE FOR RESISTANCE BUTT WELDING OF TUBES
MACHINE FOR RESISTANCE BUTT WELDING OF TUBES
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机译:钢管电阻对焊机
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摘要
contact seam welding machine for pipes, содержаща central weights, which are mobile and stationary devices зажати with токоподвод щими ba н лаками,св занными токоподводом with welding transformer, о
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