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Priority to JP2329775ApriorityCriticalpatent/JPS5533232B2/ja
Priority to US05/656,205prioritypatent/US4041528A/en
Priority to NLAANVRAGE7601673,Aprioritypatent/NL178116C/xx
Publication of JPS5197921ApublicationCriticalpatent/JPS5197921A/ja
Publication of JPS5533232B2publicationCriticalpatent/JPS5533232B2/ja