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 JP1989134220UpriorityCriticalpatent/JPH0716134Y2/ja
Priority to US07/561,539prioritypatent/US5145021A/en
Priority to DE69016120Tprioritypatent/DE69016120T2/de
Priority to EP90114746Aprioritypatent/EP0411600B1/en
Priority to KR1019900011981Aprioritypatent/KR940002082B1/ko
Publication of JPH0372146UpublicationCriticalpatent/JPH0372146U/ja
Application grantedgrantedCritical
Publication of JPH0716134Y2publicationCriticalpatent/JPH0716134Y2/ja
