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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP6197275ApriorityCriticalpatent/JPS51137735A/en
Publication of JPS51137735ApublicationCriticalpatent/JPS51137735A/en
PURPOSE: To provide a device for dripping a solution which prevents formation of the dried scales and their exfoliation pass through the passage along with the solution, by filling its passage between the filter and the outlet with fibrous matter.