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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP2797077ApriorityCriticalpatent/JPS53113240A/en
Publication of JPS53113240ApublicationCriticalpatent/JPS53113240A/en
PURPOSE:To make possible high speed and efficient welding particularly for thin materials with smooth beads through shift of laser beams emitted to a filler metal along a welding line after held within the line.