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Priority to JP10060570ApriorityCriticalpatent/JPS4921228B1/ja
Priority to DE19712116012prioritypatent/DE2116012C3/de
Priority to FR7111469Aprioritypatent/FR2089003A5/fr
Priority to GB2590671Aprioritypatent/GB1287854A/en
Publication of JPS4921228B1publicationCriticalpatent/JPS4921228B1/ja