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Priority to JP4839369UpriorityCriticalpatent/JPS5114947Y1/ja
Priority to GB397070Aprioritypatent/GB1245068A/en
Priority to DE19702004612prioritypatent/DE2004612B2/de
Priority to FR7003804Aprioritypatent/FR2033917A5/fr
Publication of JPS5114947Y1publicationCriticalpatent/JPS5114947Y1/ja