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Priority to JP1979150384UpriorityCriticalpatent/JPS5823031Y2/ja
Priority to AU63737/80Aprioritypatent/AU6373780A/en
Publication of JPS5667385UpublicationCriticalpatent/JPS5667385U/ja
Application grantedgrantedCritical
Publication of JPS5823031Y2publicationCriticalpatent/JPS5823031Y2/ja