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 JP4588784UpriorityCriticalpatent/JPS60159548U/ja
Priority to US06/716,743prioritypatent/US4752844A/en
Publication of JPS60159548UpublicationCriticalpatent/JPS60159548U/ja
Application grantedgrantedCritical
Publication of JPH0430687Y2publicationCriticalpatent/JPH0430687Y2/ja