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Priority to JP12115274UpriorityCriticalpatent/JPS5350059Y2/ja
Priority to US05/608,739prioritypatent/US4024367A/en
Publication of JPS5147876UpublicationCriticalpatent/JPS5147876U/ja
Application grantedgrantedCritical
Publication of JPS5350059Y2publicationCriticalpatent/JPS5350059Y2/ja
