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 JP1987181162UpriorityCriticalpatent/JPH0185139U/ja
Priority to DE88117934Tprioritypatent/DE3882896T2/de
Priority to US07/263,313prioritypatent/US4919526A/en
Priority to EP88117934Aprioritypatent/EP0314135B1/en
Publication of JPH0185139UpublicationCriticalpatent/JPH0185139U/ja
