Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP6196175ApriorityCriticalpatent/JPS51137949A/en
Publication of JPS51137949ApublicationCriticalpatent/JPS51137949A/en
PURPOSE: A gas cooling device whose cooling elements are easy for inspection, repair and renewal, without stoppage of the function as a heat exchanger.