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Priority to JP10331077UpriorityCriticalpatent/JPS56511Y2/ja
Priority to DK157378Aprioritypatent/DK153188C/da
Publication of JPS5430266UpublicationCriticalpatent/JPS5430266U/ja
Application grantedgrantedCritical
Publication of JPS56511Y2publicationCriticalpatent/JPS56511Y2/ja