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
CA666424A
Inventor
Pagliarini Pietro
Giavarini Tullio
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.)
Cip-Compagnia Italiana Petrolio SpA
Original Assignee
Cip-Compagnia Italiana Petrolio SpA
Publication date
Application grantedgrantedCritical
Publication of CA666424ApublicationCriticalpatent/CA666424A/en