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 JP1989113897UpriorityCriticalpatent/JPH0352822U/ja
Priority to KR1019890019031Aprioritypatent/KR0153766B1/ko
Priority to US07/453,933prioritypatent/US5136565A/en
Publication of JPH0352822UpublicationCriticalpatent/JPH0352822U/ja
