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 JP2902981UpriorityCriticalpatent/JPS57142310U/ja
Priority to DE8282301072Tprioritypatent/DE3272805D1/de
Priority to EP82301072Aprioritypatent/EP0059644B1/en
Priority to US06/354,187prioritypatent/US4483617A/en
Publication of JPS57142310UpublicationCriticalpatent/JPS57142310U/ja