IT1140155BIT25595/81AIT2559581AIT1140155BIT 1140155 BIT1140155 BIT 1140155BIT 25595/81 AIT25595/81 AIT 25595/81AIT 2559581 AIT2559581 AIT 2559581AIT 1140155 BIT1140155 BIT 1140155B
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 PirellifiledCriticalPirelli
Priority to IT25595/81ApriorityCriticalpatent/IT1140155B/en
Publication of IT8125595A0publicationCriticalpatent/IT8125595A0/en
Application grantedgrantedCritical
Publication of IT1140155BpublicationCriticalpatent/IT1140155B/en