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 JP15682779UpriorityCriticalpatent/JPS6037653Y2/ja
Priority to DE8080900950Tprioritypatent/DE3068669D1/de
Priority to PCT/JP1980/000110prioritypatent/WO1980002763A1/ja
Priority to US06/233,583prioritypatent/US4376480A/en
Priority to EP80900950Aprioritypatent/EP0028656B1/en
Publication of JPS5673055UpublicationCriticalpatent/JPS5673055U/ja
Application grantedgrantedCritical
Publication of JPS6037653Y2publicationCriticalpatent/JPS6037653Y2/ja