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
CA911797A
Inventor
Calligaris Ennio
Rossello Mario
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.)
Ferrania SpA
Original Assignee
Ferrania SpA
Publication date
Application grantedgrantedCritical
Publication of CA911797ApublicationCriticalpatent/CA911797A/en