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Priority to JP1974088848UpriorityCriticalpatent/JPS5424432Y2/ja
Priority to US05/598,402prioritypatent/US4040502A/en
Publication of JPS5116335UpublicationCriticalpatent/JPS5116335U/ja
Application grantedgrantedCritical
Publication of JPS5424432Y2publicationCriticalpatent/JPS5424432Y2/ja