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
CA815466A
Inventor
Pelzel Erich
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.)
Vereinigte Osterreichische Eisen und Stahlwerke AG
Original Assignee
Vereinigte Osterreichische Eisen und Stahlwerke AG
Publication date
Application grantedgrantedCritical
Publication of CA815466ApublicationCriticalpatent/CA815466A/en