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Priority claimed from SU4690036external-prioritypatent/RU1839218C/ru
Application filed by Igor Vlasov, Rafic Hairullin, Vladimir Skedov, Ravili MuslimovfiledCriticalIgor Vlasov
Priority to MD94-0263ApriorityCriticalpatent/MD147C2/ro
Publication of MD147B1publicationCriticalpatent/MD147B1/ro
Publication of MD147C2publicationCriticalpatent/MD147C2/ro