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
CA617574A
Inventor
N. Cederquist 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.)
Stora Enso Oyj
Original Assignee
Stora Kopparbergs Bergslags AB
Publication date
Application grantedgrantedCritical
Publication of CA617574ApublicationCriticalpatent/CA617574A/en