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
CA901771A
Inventor
Menard Louis
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.)
Total Compagnie Francaise des Petroles SA
TECHNIQUES LOUIS MENARD
Original Assignee
Compagnie Francaise des Petroles SA
TECHNIQUES LOUIS MENARD
Publication date
Application grantedgrantedCritical
Publication of CA901771ApublicationCriticalpatent/CA901771A/en