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 JP17423880UpriorityCriticalpatent/JPS6117972Y2/ja
Priority to PCT/JP1981/000036prioritypatent/WO1981002433A1/ja
Priority to DE8181900499Tprioritypatent/DE3168418D1/de
Priority to EP81900499Aprioritypatent/EP0046810B1/en
Priority to US06/296,424prioritypatent/US4393647A/en
Publication of JPS5796145UpublicationCriticalpatent/JPS5796145U/ja
Application grantedgrantedCritical
Publication of JPS6117972Y2publicationCriticalpatent/JPS6117972Y2/ja