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Priority to JP3004772ApriorityCriticalpatent/JPS5021504B2/ja
Priority to US281407Aprioritypatent/US3890448A/en
Priority to FR7229479Aprioritypatent/FR2155233A5/fr
Publication of JPS4897975ApublicationCriticalpatent/JPS4897975A/ja
Publication of JPS5021504B2publicationCriticalpatent/JPS5021504B2/ja