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
Priority to JP1989072919UpriorityCriticalpatent/JPH084720Y2/ja
Application filedfiledCritical
Priority to EP90909402Aprioritypatent/EP0480034B1/en
Priority to EP97250098Aprioritypatent/EP0802704A1/en
Priority to PCT/JP1990/000802prioritypatent/WO1990016140A1/ja
Priority to US07/809,478prioritypatent/US5233154A/en
Priority to KR1019910701932Aprioritypatent/KR0137265B1/ko
Priority to DE69031622Tprioritypatent/DE69031622T2/de
Publication of JPH0312399UpublicationCriticalpatent/JPH0312399U/ja
Application grantedgrantedCritical
Publication of JPH084720Y2publicationCriticalpatent/JPH084720Y2/ja
