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
CA887552A
Inventor
Kettunen Jyrki
O. Rautalahti Pentti
Sonni Olavi
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.)
Metsaluton Selluloosa Oy
Original Assignee
Metsaluton Selluloosa Oy
Publication date
Application grantedgrantedCritical
Publication of CA887552ApublicationCriticalpatent/CA887552A/en