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Priority to JP5520673UpriorityCriticalpatent/JPS505660U/ja
Priority to IT7422465Aprioritypatent/IT1012182B/it
Priority to US05/468,260prioritypatent/US3946625A/en
Priority to GB2052674Aprioritypatent/GB1443130A/en
Priority to FR7416215Aprioritypatent/FR2229057B1/fr
Priority to DE19742422726prioritypatent/DE2422726C3/de
Publication of JPS505660UpublicationCriticalpatent/JPS505660U/ja