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Publication date
Application filedfiledCritical
Priority to JP8631489UpriorityCriticalpatent/JPH0710107Y2/ja
Priority to US07/553,749prioritypatent/US5092428A/en
Priority to KR1019900011102Aprioritypatent/KR910003281A/ko
Publication of JPH0325032UpublicationCriticalpatent/JPH0325032U/ja
Application grantedgrantedCritical
Publication of JPH0710107Y2publicationCriticalpatent/JPH0710107Y2/ja
Priority to KR2019980023207Uprioritypatent/KR200167580Y1/ko
