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Priority to JP12033373UpriorityCriticalpatent/JPS5066613U/ja
Priority to US05/447,634prioritypatent/US3959623A/en
Priority to DE2411182Aprioritypatent/DE2411182A1/de
Priority to FR7407976Aprioritypatent/FR2220836B3/fr
Publication of JPS5066613UpublicationCriticalpatent/JPS5066613U/ja