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
CA597885A
Inventor
Fobus Walter
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.)
Ludwig Fobus Betriebs-Gesellschaft Mbh
Original Assignee
Ludwig Fobus Betriebs-Gesellschaft Mbh
Publication date
Application grantedgrantedCritical
Publication of CA597885ApublicationCriticalpatent/CA597885A/en