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 JP19563887UpriorityCriticalpatent/JPH0199091U/ja
Priority to US07/243,594prioritypatent/US4839874A/en
Priority to EP88308592Aprioritypatent/EP0308243A3/en
Priority to US07/342,121prioritypatent/US4985877A/en
Publication of JPH0199091UpublicationCriticalpatent/JPH0199091U/ja
