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Priority to JP1294072ApriorityCriticalpatent/JPS4883479A/ja
Priority to DE19722223759prioritypatent/DE2223759A1/de
Priority to IT517072Aprioritypatent/IT960065B/it
Priority to FR7227463Aprioritypatent/FR2169022A1/fr
Publication of JPS4883479ApublicationCriticalpatent/JPS4883479A/ja