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Priority claimed from SU802902651Aexternal-prioritypatent/SU851815A1/en
Priority claimed from SU802902653Aexternal-prioritypatent/SU917853A1/en
Priority claimed from SU802902652Aexternal-prioritypatent/SU917855A1/en
Application filed by Alexander Ilic Letjuk, Alexander Andreevich Smagin, Malakhov Anatoly N, Proshin Alexei F, Kozlov Alexei N, Zaitsev Ivan DfiledCriticalAlexander Ilic Letjuk
Publication of YU303880ApublicationCriticalpatent/YU303880A/en