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.)
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
Publication date
Application grantedgrantedCritical
Publication of CA274290ApublicationCriticalpatent/CA274290A/fr