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Priority to JP14232980UpriorityCriticalpatent/JPS6127277Y2/ja
Priority to US06/257,652prioritypatent/US4638205A/en
Publication of JPS5764997UpublicationCriticalpatent/JPS5764997U/ja
Application grantedgrantedCritical
Publication of JPS6127277Y2publicationCriticalpatent/JPS6127277Y2/ja