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
CA888828A
Inventor
Weber Paul
Butschko Gerhard
Ritzmann Horst
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Polysius AG
Publication date
Application grantedgrantedCritical
Publication of CA888828ApublicationCriticalpatent/CA888828A/en