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Priority to JP2131872ApriorityCriticalpatent/JPS4889462A/ja
Priority to FR7221819Aprioritypatent/FR2143046B1/fr
Priority to IT2592772Aprioritypatent/IT956706B/it
Priority to DE19722230092prioritypatent/DE2230092A1/de
Publication of JPS4889462ApublicationCriticalpatent/JPS4889462A/ja