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Priority to JP3536376UpriorityCriticalpatent/JPS52126692U/ja
Priority to US05/752,894prioritypatent/US4127125A/en
Priority to FR7638559Aprioritypatent/FR2336116A1/fr
Priority to IT7630770Aprioritypatent/IT1075994B/it
Publication of JPS52126692UpublicationCriticalpatent/JPS52126692U/ja