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Priority to JP12362973ApriorityCriticalpatent/JPS5123675B2/ja
Priority to US417929Aprioritypatent/US3921019A/en
Priority to FR7343047Aprioritypatent/FR2209272B1/fr
Publication of JPS5073095ApublicationCriticalpatent/JPS5073095A/ja
Publication of JPS5123675B2publicationCriticalpatent/JPS5123675B2/ja