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Application filed by Evgenij G Trubitsyn, Igor N Kobyzev, Viktor P Ermolenko, Valerij P EvtushevskijfiledCriticalEvgenij G Trubitsyn
Priority to SU4884122priorityCriticalpatent/RU1821770C/en
Application grantedgrantedCritical
Publication of RU1821770CpublicationCriticalpatent/RU1821770C/en