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
CA629574A
Inventor
O. Nilsson Gustav
Ljungstromer Lars-Einar
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.)
Nyby Bruk AB
Original Assignee
Nyby Bruk AB
Publication date
Application grantedgrantedCritical
Publication of CA629574ApublicationCriticalpatent/CA629574A/en