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Priority to JP13627080UpriorityCriticalpatent/JPS6121277Y2/ja
Priority to US06/198,281prioritypatent/US4411543A/en
Priority to FR8022997Aprioritypatent/FR2468471B1/fr
Priority to DE19803040726prioritypatent/DE3040726A1/de
Publication of JPS5757985UpublicationCriticalpatent/JPS5757985U/ja
Application grantedgrantedCritical
Publication of JPS6121277Y2publicationCriticalpatent/JPS6121277Y2/ja