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
CA845949A
Inventor
Sens 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.)
NATIONALE DES GAZ DU SUD-OUEST Ste
Original Assignee
NATIONALE DES GAZ DU SUD-OUEST Ste
Publication date
Application grantedgrantedCritical
Publication of CA845949ApublicationCriticalpatent/CA845949A/en