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 JP1988141743UpriorityCriticalpatent/JPH087394Y2/ja
Priority to US07/418,634prioritypatent/US4993995A/en
Priority to DE8989119928Tprioritypatent/DE68900643D1/de
Priority to EP89119928Aprioritypatent/EP0367118B1/en
Publication of JPH0262140UpublicationCriticalpatent/JPH0262140U/ja
Application grantedgrantedCritical
Publication of JPH087394Y2publicationCriticalpatent/JPH087394Y2/ja