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
CA893444A
Inventor
Ercole Berardi
Giancarlo Versetti
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.)
RESPONSABILITA LIMITATA FIMMA Soc
Original Assignee
RESPONSABILITA LIMITATA FIMMA Soc
Publication date
Application grantedgrantedCritical
Publication of CA893444ApublicationCriticalpatent/CA893444A/en