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Priority to JP712376UpriorityCriticalpatent/JPS5298844U/ja
Priority to US05/682,161prioritypatent/US4034207A/en
Priority to FR7613023Aprioritypatent/FR2339313A1/fr
Priority to DE19762619312prioritypatent/DE2619312A1/de
Publication of JPS5298844UpublicationCriticalpatent/JPS5298844U/ja