Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Angelo BertoldifiledCriticalAngelo Bertoldi
Priority to IT03552/79ApriorityCriticalpatent/IT1121161B/en
Publication of IT7903552A0publicationCriticalpatent/IT7903552A0/en
Application grantedgrantedCritical
Publication of IT1121161BpublicationCriticalpatent/IT1121161B/en