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
CA808098A
Inventor
Maier Kurt
Mayer Viktor
Mortl Gunther
Skalla Norbert
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.)
Osterreichisch Amerikanische Magnesit AG
Original Assignee
Gunther Mortl
Norbert Skalla
Osterreichisch Amerikanische Magnesit AG
Publication date
Application grantedgrantedCritical
Publication of CA808098ApublicationCriticalpatent/CA808098A/en