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Priority to JP48070121ApriorityCriticalpatent/JPS5020673A/ja
Priority to GB2699574Aprioritypatent/GB1471617A/en
Priority to US05/480,749prioritypatent/US3999207A/en
Priority to FR7421696Aprioritypatent/FR2234663B1/fr
Priority to DE2429796Aprioritypatent/DE2429796A1/de
Publication of JPS5020673ApublicationCriticalpatent/JPS5020673A/ja