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
CA863126A
Inventor
Guala Piergiacomo
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.)
ANGELO GUALA DI PIERGIACOMO E ROBERTO GUALA AND C S SA
Original Assignee
ANGELO GUALA DI PIERGIACOMO E ROBERTO GUALA AND C S SA
Publication date
Application grantedgrantedCritical
Publication of CA863126ApublicationCriticalpatent/CA863126A/en