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
CA630809A
Inventor
Kuss Ernst
Remagen Dominikus
Rosin Ernst
Schackmann Heinrich
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.)
Duisburger Kupferhuette
Original Assignee
Duisburger Kupferhuette
Publication date
Application grantedgrantedCritical
Publication of CA630809ApublicationCriticalpatent/CA630809A/en