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Priority to JP2915370ApriorityCriticalpatent/JPS5543809B1/ja
Priority to US00125638Aprioritypatent/US3707889A/en
Priority to FR7110724Aprioritypatent/FR2087866A5/fr
Priority to DE19717111783Uprioritypatent/DE7111783U/de
Priority to DE19712114980prioritypatent/DE2114980A1/de
Priority to GB2558771*Aprioritypatent/GB1352572A/en
Publication of JPS5543809B1publicationCriticalpatent/JPS5543809B1/ja