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
CA682167A
Inventor
Von Bogdandy Ludwig
Pantke Heinz-Dieter
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.)
Huettenwerk Oberhausen AG
Original Assignee
Huettenwerk Oberhausen AG
Publication date
Application grantedgrantedCritical
Publication of CA682167ApublicationCriticalpatent/CA682167A/en