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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP7556677ApriorityCriticalpatent/JPS534107A/en
Publication of JPS534107ApublicationCriticalpatent/JPS534107A/en
PURPOSE: To reduce steam quantity leaked from a void between a diaphragm and a packing case while making the decomposition easy, by setting several channels to the diaphragm side.