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
CA857058A
Inventor
Lestrade Carluer De Kyvon Robert
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.)
EXPANDET S A
Original Assignee
EXPANDET S A
Publication date
Application grantedgrantedCritical
Publication of CA857058ApublicationCriticalpatent/CA857058A/en