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
CA916388A
Inventor
Schoffmann Rudolf
Rinesch Rudolf
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.)
Voest AG
Original Assignee
Voest AG
Publication date
Application grantedgrantedCritical
Publication of CA916388ApublicationCriticalpatent/CA916388A/en