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 JP1988089729UpriorityCriticalpatent/JPH0750652Y2/ja
Priority to US07/373,157prioritypatent/US5027296A/en
Priority to KR1019890009261Aprioritypatent/KR920009014B1/ko
Priority to GB8915083Aprioritypatent/GB2221554B/en
Publication of JPH0212611UpublicationCriticalpatent/JPH0212611U/ja
Application grantedgrantedCritical
Publication of JPH0750652Y2publicationCriticalpatent/JPH0750652Y2/ja