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
CA876654A
Inventor
Jarleborg Holger
Blom Karl-Johan
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.)
Fagersta Bruks AB
Original Assignee
Fagersta Bruks AB
Publication date
Application grantedgrantedCritical
Publication of CA876654ApublicationCriticalpatent/CA876654A/en