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
CA908783A
Inventor
Fresard Marcel
Donnat Jean-Charles
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.)
Mefina SA
Original Assignee
Mefina SA
Publication date
Application grantedgrantedCritical
Publication of CA908783ApublicationCriticalpatent/CA908783A/en