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Priority to JP2926570ApriorityCriticalpatent/JPS514922B1/ja
Priority to ZA711270Aprioritypatent/ZA711270B/xx
Priority to FR7112123Aprioritypatent/FR2085877B1/fr
Priority to GB2585671Aprioritypatent/GB1317523A/en
Publication of JPS514922B1publicationCriticalpatent/JPS514922B1/ja