Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP8510779UpriorityCriticalpatent/JPS563682U/ja
Priority to US06/158,387prioritypatent/US4364684A/en
Priority to FR8013496Aprioritypatent/FR2459143A1/fr
Priority to GB8020228Aprioritypatent/GB2052397B/en
Priority to DE19803023189prioritypatent/DE3023189A1/de
Publication of JPS563682UpublicationCriticalpatent/JPS563682U/ja
