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Priority to JP10364772ApriorityCriticalpatent/JPS5131671B2/ja
Priority to US380282Aprioritypatent/US3863777A/en
Priority to FR7336925Aprioritypatent/FR2213229B1/fr
Publication of JPS4961876ApublicationCriticalpatent/JPS4961876A/ja
Publication of JPS5131671B2publicationCriticalpatent/JPS5131671B2/ja