IT1152842BIT23528/82AIT2352882AIT1152842BIT 1152842 BIT1152842 BIT 1152842BIT 23528/82 AIT23528/82 AIT 23528/82AIT 2352882 AIT2352882 AIT 2352882AIT 1152842 BIT1152842 BIT 1152842B
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 IT23528/82ApriorityCriticalpatent/IT1152842B/it
Publication of IT8223528A0publicationCriticalpatent/IT8223528A0/it
Application grantedgrantedCritical
Publication of IT1152842BpublicationCriticalpatent/IT1152842B/it