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
CA892159A
Inventor
Von Knorring Arne
A. Werner Per
Berglund Ingemar
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.)
TICFAK AB
Original Assignee
TICFAK AB
Publication date
Application grantedgrantedCritical
Publication of CA892159ApublicationCriticalpatent/CA892159A/en