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Priority to JP13333770UpriorityCriticalpatent/JPS5116410Y1/ja
Priority to GB5455171Aprioritypatent/GB1339817A/en
Priority to DE19712159640prioritypatent/DE2159640C3/de
Priority to FR7143594Aprioritypatent/FR2117405A5/fr
Publication of JPS5116410Y1publicationCriticalpatent/JPS5116410Y1/ja