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
CA792810A
Inventor
Cinelli Ermanno
Girotti Pierleone
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.)
Snam SpA
Original Assignee
Snam SpA
Publication date
Application grantedgrantedCritical
Publication of CA792810ApublicationCriticalpatent/CA792810A/en