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Application filed by Volzh Ob ProizvfiledCriticalVolzh Ob Proizv
Priority to IT23776/82ApriorityCriticalpatent/IT1153260B/it
Publication of IT8223776A0publicationCriticalpatent/IT8223776A0/it
Application grantedgrantedCritical
Publication of IT1153260BpublicationCriticalpatent/IT1153260B/it