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Priority to JP6659775UpriorityCriticalpatent/JPS5348046Y2/ja
Priority to GB46771/75Aprioritypatent/GB1479387A/en
Priority to FR7614565Aprioritypatent/FR2310780A1/fr
Publication of JPS51145255UpublicationCriticalpatent/JPS51145255U/ja
Application grantedgrantedCritical
Publication of JPS5348046Y2publicationCriticalpatent/JPS5348046Y2/ja