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Priority to JP9047872ApriorityCriticalpatent/JPS5424477B2/ja
Priority to DE2301080Aprioritypatent/DE2301080A1/de
Priority to FR7300767Aprioritypatent/FR2167910A1/fr
Publication of JPS4947591ApublicationCriticalpatent/JPS4947591A/ja
Publication of JPS5424477B2publicationCriticalpatent/JPS5424477B2/ja