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 JP1989021255UpriorityCriticalpatent/JPH08687Y2/ja
Priority to US07/483,369prioritypatent/US5049945A/en
Priority to EP90103466Aprioritypatent/EP0384467B1/en
Priority to DE69010710Tprioritypatent/DE69010710T2/de
Publication of JPH02111164UpublicationCriticalpatent/JPH02111164U/ja
Application grantedgrantedCritical
Publication of JPH08687Y2publicationCriticalpatent/JPH08687Y2/ja