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
CA878971A
Inventor
Buschor Karl
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.)
Gema AG Apparatebau
Original Assignee
Gema AG Apparatebau
Publication date
Application grantedgrantedCritical
Publication of CA878971ApublicationCriticalpatent/CA878971A/en