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
CA709236A
Inventor
Gmur Bruno
Oetiker Hans
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.)
Gebr BUHLER
Original Assignee
Gebr BUHLER
Hans Oetiker AG Maschinen und Apparatefabrik
Publication date
Application grantedgrantedCritical
Publication of CA709236ApublicationCriticalpatent/CA709236A/en