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Priority to JP1989103122UpriorityCriticalpatent/JPH0537129Y2/ja
Priority to KR2019900012216Uprioritypatent/KR920003237Y1/ko
Publication of JPH0342911UpublicationCriticalpatent/JPH0342911U/ja
Application grantedgrantedCritical
Publication of JPH0537129Y2publicationCriticalpatent/JPH0537129Y2/ja
