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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP10995176ApriorityCriticalpatent/JPS5336001A/en
Publication of JPS5336001ApublicationCriticalpatent/JPS5336001A/en
PURPOSE: To arrange a water-service installation that can be used in common even when the installed height of a pump is higher than the water-level of a water receiving tank or even when it is lower.