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
CA885829A
Inventor
Gerhard Helmut
Reichmann Hans-Helmut
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.)
WESTERWALDER EISENWERK DR PAUL GERHARD KG
Original Assignee
WESTERWALDER EISENWERK DR PAUL GERHARD KG
Publication date
Application grantedgrantedCritical
Publication of CA885829ApublicationCriticalpatent/CA885829A/en