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
CA853126A
Inventor
Henrich Gunter
Rutsch Werner
Dietrich Alfred
Nowacki Hans-Joachim
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 CA853126ApublicationCriticalpatent/CA853126A/en