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Priority to JP16955588UpriorityCriticalpatent/JPH0538752Y2/ja
Priority to EP19890115131prioritypatent/EP0355703A3/en
Priority to KR1019890011887Aprioritypatent/KR0181926B1/ko
Publication of JPH0291555UpublicationCriticalpatent/JPH0291555U/ja
Application grantedgrantedCritical
Publication of JPH0538752Y2publicationCriticalpatent/JPH0538752Y2/ja