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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP14771776ApriorityCriticalpatent/JPS5372971A/en
Publication of JPS5372971ApublicationCriticalpatent/JPS5372971A/en
PURPOSE: To make compatible to extensive capacity in a multistage servo valve equipped with a pilot valve, a servo valve interlocked with it, and a manifold to connect them.