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 JP1991002800UpriorityCriticalpatent/JP2554574Y2/ja
Priority to US07/826,511prioritypatent/US5222410A/en
Priority to DE69207218Tprioritypatent/DE69207218T2/de
Priority to EP92101330Aprioritypatent/EP0497262B1/en
Publication of JPH0498677UpublicationCriticalpatent/JPH0498677U/ja
Application grantedgrantedCritical
Publication of JP2554574Y2publicationCriticalpatent/JP2554574Y2/ja