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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1990099778UpriorityCriticalpatent/JPH0525732Y2/ja
Priority to KR1019910016711Aprioritypatent/KR920006040A/ko
Publication of JPH0457270UpublicationCriticalpatent/JPH0457270U/ja
Application grantedgrantedCritical
Publication of JPH0525732Y2publicationCriticalpatent/JPH0525732Y2/ja
