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 JP1989081633UpriorityCriticalpatent/JPH0720883Y2/ja
Priority to KR1019900010563Aprioritypatent/KR930011419B1/ko
Publication of JPH0321803UpublicationCriticalpatent/JPH0321803U/ja
Priority to KR1019930018349Aprioritypatent/KR930011420B1/ko
Application grantedgrantedCritical
Publication of JPH0720883Y2publicationCriticalpatent/JPH0720883Y2/ja