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Priority to JP11993479UpriorityCriticalpatent/JPS5638567U/ja
Priority to US06/119,131prioritypatent/US4368398A/en
Priority to DE3005671Aprioritypatent/DE3005671C2/de
Priority to FR8003522Aprioritypatent/FR2449355A1/fr
Priority to GB8005615Aprioritypatent/GB2044554B/en
Publication of JPS5638567UpublicationCriticalpatent/JPS5638567U/ja