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 JP9051981UpriorityCriticalpatent/JPS57202911U/ja
Priority to DE8282105321Tprioritypatent/DE3263659D1/de
Priority to EP19820105321prioritypatent/EP0068334B1/en
Publication of JPS57202911UpublicationCriticalpatent/JPS57202911U/ja