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
CA830928A
Inventor
O. Egnell Lennart
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.)
Sandvik AB
Original Assignee
Sandvikens Jernverks AB
Publication date
Application grantedgrantedCritical
Publication of CA830928ApublicationCriticalpatent/CA830928A/en