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Priority to JP49116114ApriorityCriticalpatent/JPS52378B2/ja
Priority to US05/605,380prioritypatent/US4097646A/en
Priority to DE19752537518prioritypatent/DE2537518A1/de
Publication of JPS5143148ApublicationCriticalpatent/JPS5143148A/ja
Publication of JPS52378B2publicationCriticalpatent/JPS52378B2/ja