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Italsider SpA
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Italsider SpA
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Priority to JP9047077ApriorityCriticalpatent/JPS5426252A/en
Publication of JPS5426252ApublicationCriticalpatent/JPS5426252A/en
Method of effecting electric seam welding of metallic plate semiiautomatically or fulllautomatically and resistance welder for use in carrying out the method