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Application filed by Yurij N Forostyan, Vitalij A Erofeev, Les I Dudnik, Vasilij G NazarevichfiledCriticalYurij N Forostyan
Priority to SU914938931ApriorityCriticalpatent/RU1832053C/en
Application grantedgrantedCritical
Publication of RU1832053CpublicationCriticalpatent/RU1832053C/en