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Application filed by Ivanchenko Fedor K, Afanasev Mikhail K, Kornienko Nikolaj N, Sychev Mikhail VfiledCriticalIvanchenko Fedor K
Priority to SU7602374166ApriorityCriticalpatent/SU576191A2/ru
Application grantedgrantedCritical
Publication of SU576191A2publicationCriticalpatent/SU576191A2/ru