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
CA607588A
Inventor
O. Bergman Lars
Uden Bengt
H. Malmstrom Magne
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.)
TVATTBOLAGET I MALMO AB
Original Assignee
TVATTBOLAGET I MALMO AB
Publication date
Application grantedgrantedCritical
Publication of CA607588ApublicationCriticalpatent/CA607588A/en