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
CA624785A
Inventor
Backstrom Arne
O. Nordin Karl
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.)
Outokumpu Stainless AB
Original Assignee
Avesta Jernverks AB
Publication date
Application grantedgrantedCritical
Publication of CA624785ApublicationCriticalpatent/CA624785A/en