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Priority to JP10559388UpriorityCriticalpatent/JPH0728830Y2/ja
Priority to KR1019890011392Aprioritypatent/KR900002685A/ko
Publication of JPH0226436UpublicationCriticalpatent/JPH0226436U/ja
Priority to KR2019910023046Uprioritypatent/KR920001438Y1/ko
Application grantedgrantedCritical
Publication of JPH0728830Y2publicationCriticalpatent/JPH0728830Y2/ja