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 Ural Ni I Pi StrfiledCriticalUral Ni I Pi Str
Priority to IT8821638ApriorityCriticalpatent/IT1226366B/en
Publication of IT8821638A0publicationCriticalpatent/IT8821638A0/en
Application grantedgrantedCritical
Publication of IT1226366BpublicationCriticalpatent/IT1226366B/en