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Priority to JP3830185UpriorityCriticalpatent/JPH0317180Y2/ja
Priority to US06/794,790prioritypatent/US4669279A/en
Priority to FR8516854Aprioritypatent/FR2579305B1/fr
Publication of JPS61156855UpublicationCriticalpatent/JPS61156855U/ja
Application grantedgrantedCritical
Publication of JPH0317180Y2publicationCriticalpatent/JPH0317180Y2/ja