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Priority to JP1977153738UpriorityCriticalpatent/JPS5835482Y2/ja
Priority to US05/911,243prioritypatent/US4241103A/en
Publication of JPS5479145UpublicationCriticalpatent/JPS5479145U/ja
Priority to US06/066,715prioritypatent/US4259564A/en
Application grantedgrantedCritical
Publication of JPS5835482Y2publicationCriticalpatent/JPS5835482Y2/ja