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Priority to JP470872ApriorityCriticalpatent/JPS521837B2/ja
Priority to IT7116072Aprioritypatent/IT996559B/it
Priority to FR7300526Aprioritypatent/FR2167827B1/fr
Priority to DE19732300907prioritypatent/DE2300907A1/de
Publication of JPS4875164ApublicationCriticalpatent/JPS4875164A/ja
Publication of JPS521837B2publicationCriticalpatent/JPS521837B2/ja