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
CA751044A
Inventor
M. Aupperle Eric
G. Hentschel Rudolf
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.)
AUTOMATION-FORSTER
Original Assignee
AUTOMATION-FORSTER
Publication date
Application grantedgrantedCritical
Publication of CA751044ApublicationCriticalpatent/CA751044A/en