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Application filedfiledCritical
Priority to JP8360580UpriorityCriticalpatent/JPS628904Y2/ja
Priority to US06/199,216prioritypatent/US4385486A/en
Priority to FR8022597Aprioritypatent/FR2473574B1/fr
Publication of JPS577637UpublicationCriticalpatent/JPS577637U/ja
Application grantedgrantedCritical
Publication of JPS628904Y2publicationCriticalpatent/JPS628904Y2/ja