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 filed by Usinor, Thyssen Stahl AgfiledCriticalUsinor
Priority claimed from PCT/FR1996/002025external-prioritypatent/WO1997023318A1/fr
Application grantedgrantedCritical
Publication of DK0868239T3publicationCriticalpatent/DK0868239T3/da