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Priority to JP14759973UpriorityCriticalpatent/JPS5115314Y2/ja
Priority to US05/497,352prioritypatent/US3943578A/en
Priority to BR674774Aprioritypatent/BR7406747A/pt
Publication of JPS5093751UpublicationCriticalpatent/JPS5093751U/ja
Application grantedgrantedCritical
Publication of JPS5115314Y2publicationCriticalpatent/JPS5115314Y2/ja