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Priority to JP12563088UpriorityCriticalpatent/JPH0727752Y2/ja
Priority to EP19890117860prioritypatent/EP0361445A3/en
Priority to US07/413,381prioritypatent/US5109422A/en
Publication of JPH0247893UpublicationCriticalpatent/JPH0247893U/ja
Application grantedgrantedCritical
Publication of JPH0727752Y2publicationCriticalpatent/JPH0727752Y2/ja