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 JP19037387UpriorityCriticalpatent/JPH0194535U/ja
Priority to US07/177,995prioritypatent/US4848960A/en
Priority to EP88200676Aprioritypatent/EP0287163B1/en
Priority to DE8888200676Tprioritypatent/DE3875778T2/de
Publication of JPH0194535UpublicationCriticalpatent/JPH0194535U/ja