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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP13726376ApriorityCriticalpatent/JPS5362004A/en
Publication of JPS5362004ApublicationCriticalpatent/JPS5362004A/en
PURPOSE: Cooling steam is fed in reference to a sensed temperature of steam at the rotor disk only if the operation is started and a radial rubbing in start-up operation is prevented.