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Priority to JP1975179077UpriorityCriticalpatent/JPS5630144Y2/ja
Priority to US05/736,554prioritypatent/US4075401A/en
Publication of JPS5289619UpublicationCriticalpatent/JPS5289619U/ja
Application grantedgrantedCritical
Publication of JPS5630144Y2publicationCriticalpatent/JPS5630144Y2/ja