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Priority to JP13801481UpriorityCriticalpatent/JPS5842432U/ja
Priority to ZA826631Aprioritypatent/ZA826631B/xx
Publication of JPS5842432UpublicationCriticalpatent/JPS5842432U/ja
Application grantedgrantedCritical
Publication of JPS6221136Y2publicationCriticalpatent/JPS6221136Y2/ja