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 Zanellati & Zanetti S D F Di ZfiledCriticalZanellati & Zanetti S D F Di Z
Priority to IT20215/85ApriorityCriticalpatent/IT1184375B/it
Publication of IT8520215A0publicationCriticalpatent/IT8520215A0/it
Priority to ES553711Aprioritypatent/ES8705939A1/es
Application grantedgrantedCritical
Publication of IT1184375BpublicationCriticalpatent/IT1184375B/it