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
CA629971A
Inventor
V. Svensson Sven-Erik
E. Nilsson Bengt
G. Johansson Rolf
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.)
BYGGFORBATTRING AND AB BRODERNA HEDLUND AB
Original Assignee
BYGGFORBATTRING AND AB BRODERNA HEDLUND AB
Publication date
Application grantedgrantedCritical
Publication of CA629971ApublicationCriticalpatent/CA629971A/en