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
CA741159A
Inventor
K. Voigt Heinz
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.)
Feldmuehle AG
Original Assignee
Feldmuehle AG
Publication date
Application grantedgrantedCritical
Publication of CA741159ApublicationCriticalpatent/CA741159A/en