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 JP1989050352UpriorityCriticalpatent/JPH0744401Y2/ja
Priority to US07/353,696prioritypatent/US5004378A/en
Priority to EP89109034Aprioritypatent/EP0342692B1/en
Priority to DE68917369Tprioritypatent/DE68917369T2/de
Priority to KR2019890013894Uprioritypatent/KR940004920Y1/ko
Publication of JPH0243106UpublicationCriticalpatent/JPH0243106U/ja
Application grantedgrantedCritical
Publication of JPH0744401Y2publicationCriticalpatent/JPH0744401Y2/ja
