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
CA858842A
Inventor
R. Hellerqvist Gustaf
A. Bergholm Carl
Andersson Per-Erik
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.)
Svenska Cellulosa AB
Original Assignee
Svenska Cellulosa AB
Publication date
Application grantedgrantedCritical
Publication of CA858842ApublicationCriticalpatent/CA858842A/en