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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP6379077ApriorityCriticalpatent/JPS53147650A/en
Publication of JPS53147650ApublicationCriticalpatent/JPS53147650A/en
PURPOSE: To accomplish effective plasma arc welding through formation of a bothend-widen square shaped cross section of nugget by means of a notch so provided to one side of weld sections as to allow the both weld base metals to have a proper space.