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 Melnikov Eduard L, Shishkin Mikhail AfiledCriticalMelnikov Eduard L
Priority to ITPD910046ApriorityCriticalpatent/IT1247162B/it
Publication of ITPD910046A0publicationCriticalpatent/ITPD910046A0/it
Publication of ITPD910046A1publicationCriticalpatent/ITPD910046A1/it
Application grantedgrantedCritical
Publication of IT1247162BpublicationCriticalpatent/IT1247162B/it