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Priority to JP8174685UpriorityCriticalpatent/JPS61196088U/ja
Priority to DE19863617930prioritypatent/DE3617930A1/de
Priority to FR868607669Aprioritypatent/FR2582581B1/fr
Priority to IT8620593Aprioritypatent/IT1204878B/it
Priority to GB08613044Aprioritypatent/GB2177295B/en
Publication of JPS61196088UpublicationCriticalpatent/JPS61196088U/ja