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
CA867174A
Inventor
Bilon Marcel
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.)
Boxal Beaurepaire SA
Original Assignee
Boxal Beaurepaire SA
Publication date
Application grantedgrantedCritical
Publication of CA867174ApublicationCriticalpatent/CA867174A/en