Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Publication date
Application filedfiledCritical
Priority to JP12112489UpriorityCriticalpatent/JPH0710111Y2/ja
Priority to US07/553,749prioritypatent/US5092428A/en
Priority to KR1019900011102Aprioritypatent/KR910003281A/ko
Publication of JPH0360630UpublicationCriticalpatent/JPH0360630U/ja
Application grantedgrantedCritical
Publication of JPH0710111Y2publicationCriticalpatent/JPH0710111Y2/ja
Priority to KR2019980023207Uprioritypatent/KR200167580Y1/ko
