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
CA652659A
Inventor
Vigano Carlo
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.)
Aziende Colori Nazionali Affini ACNA SpA
Original Assignee
Aziende Colori Nazionali Affini ACNA SpA
Publication date
Application grantedgrantedCritical
Publication of CA652659ApublicationCriticalpatent/CA652659A/en