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Izdatelstvo Izvestia Sovetov narodnykh deputatov SSSR
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Izdatelstvo Izvestia Sovetov narodnykh deputatov SSSR
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Priority claimed from SU884492194Aexternal-prioritypatent/RU2027648C1/en
Application filed by Izdatelstvo Izvestia Sovetov narodnykh deputatov SSSRfiledCriticalIzdatelstvo Izvestia Sovetov narodnykh deputatov SSSR
Publication of DE3991247T1publicationCriticalpatent/DE3991247T1/en