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Priority to JP13626474ApriorityCriticalpatent/JPS5163070A/ja
Priority to US05/536,361prioritypatent/US4080089A/en
Priority to DE19752503456prioritypatent/DE2503456A1/de
Publication of JPS5163070ApublicationCriticalpatent/JPS5163070A/ja
Publication of JPS5426756B2publicationCriticalpatent/JPS5426756B2/ja