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
CA862609A
Inventor
Staymann Wilhelm
Kampf-Emden Gerd
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.)
Mannesmann Demag AG
Original Assignee
Demag AG
Publication date
Application grantedgrantedCritical
Publication of CA862609ApublicationCriticalpatent/CA862609A/en