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 JP1991007252UpriorityCriticalpatent/JPH0499565U/ja
Priority to DE4201937Aprioritypatent/DE4201937C2/de
Publication of JPH0499565UpublicationCriticalpatent/JPH0499565U/ja
Priority to US08/202,875prioritypatent/US5438232A/en