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 JP3140081UpriorityCriticalpatent/JPS6110910Y2/ja
Priority to EP19810900943prioritypatent/EP0052149A4/en
Priority to PCT/JP1981/000078prioritypatent/WO1981002991A1/ja
Priority to IT8121323Aprioritypatent/IT1137383B/it
Publication of JPS57145641UpublicationCriticalpatent/JPS57145641U/ja
Application grantedgrantedCritical
Publication of JPS6110910Y2publicationCriticalpatent/JPS6110910Y2/ja