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
CA781896A
Inventor
Ibe Gerhard
Ganz Dietrich
Detert Klaus
Assmus Fritz
Pfeifer Friedrich
Boll Richard
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.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Vacuumschmelze GmbH and Co KG
Publication date
Application grantedgrantedCritical
Publication of CA781896ApublicationCriticalpatent/CA781896A/en