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Priority to JP4488288UpriorityCriticalpatent/JPH0520887Y2/ja
Priority to KR1019890004306Aprioritypatent/KR890016321A/ko
Publication of JPH0224119UpublicationCriticalpatent/JPH0224119U/ja
Application grantedgrantedCritical
Publication of JPH0520887Y2publicationCriticalpatent/JPH0520887Y2/ja
