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
CA615548A
Inventor
Durrer Robert
Heintze Gunther
Jenny Hans
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.)
GESELLSCHAFT DER LUDW VON ROLL'SCHEN EISENWERKE AG
Original Assignee
GESELLSCHAFT DER LUDW VON ROLL'SCHEN EISENWERKE AG
Publication date
Application grantedgrantedCritical
Publication of CA615548ApublicationCriticalpatent/CA615548A/en