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Individual
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Individual
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Priority to ES300275ApriorityCriticalpatent/ES300275A1/es
Publication of ES300275A1publicationCriticalpatent/ES300275A1/es
Procedimiento para soldadura de union por arco, bajo polvo,de secciones transversales de grandes piezas de acero, con tres electrodos dispuestos en fila avanzando continuamente.