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Priority to JP9549772ApriorityCriticalpatent/JPS5319222B2/ja
Priority to US05/399,481prioritypatent/US3944330A/en
Priority to DE2347613Aprioritypatent/DE2347613C2/de
Publication of JPS4953876ApublicationCriticalpatent/JPS4953876A/ja
Publication of JPS5319222B2publicationCriticalpatent/JPS5319222B2/ja