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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP87376ApriorityCriticalpatent/JPS5285323A/en
Publication of JPS5285323ApublicationCriticalpatent/JPS5285323A/en
PURPOSE: In the dynamotor fitted with the starting motor used at the pumping-up power station, a part of the specific excitation apparatus can be omitted by allowing the starting motor in ordinary operation to have the function of the excitor.