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 JP1989038250UpriorityCriticalpatent/JP2544997Y2/ja
Priority to US07/501,255prioritypatent/US5033789A/en
Priority to DE4010276Aprioritypatent/DE4010276A1/de
Publication of JPH02128624UpublicationCriticalpatent/JPH02128624U/ja
Application grantedgrantedCritical
Publication of JP2544997Y2publicationCriticalpatent/JP2544997Y2/ja
