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
Priority claimed from IT83418/85Aexternal-prioritypatent/IT1187591B/it
Priority claimed from IT83397/86Aexternal-prioritypatent/IT1201804B/it
Application filed by Danieli Off MeccfiledCriticalDanieli Off Mecc
Priority claimed from EP86201544Aexternal-prioritypatent/EP0219891B1/de
Application grantedgrantedCritical
Publication of ATE53518T1publicationCriticalpatent/ATE53518T1/de