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Priority to JP8980176UpriorityCriticalpatent/JPS5349741Y2/ja
Priority to FR7719940Aprioritypatent/FR2357168A1/fr
Publication of JPS536857UpublicationCriticalpatent/JPS536857U/ja
Application grantedgrantedCritical
Publication of JPS5349741Y2publicationCriticalpatent/JPS5349741Y2/ja