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.)
Expired
Application number
CA893508A
Inventor
P. Prioretti Guy
Francois Xavier
J. Venet Roland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
USINOR SA
Original Assignee
Union Siderurgique du Nord et de lEst de France SA USINOR
Publication date
Application grantedgrantedCritical
Publication of CA893508ApublicationCriticalpatent/CA893508A/en