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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 JP7201177ApriorityCriticalpatent/JPS547004A/en
Publication of JPS547004ApublicationCriticalpatent/JPS547004A/en
PURPOSE: To enable stable parallel running of bleeding systems by automatically coinciding governing with respense speed of a mechanical governor and an electronic governor.