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Application filed by Soroka Pavel, Valerij V Sergeev, Vasilij V SokolovfiledCriticalSoroka Pavel
Priority to SU874310887ApriorityCriticalpatent/SU1546988A1/en
Application grantedgrantedCritical
Publication of SU1546988A1publicationCriticalpatent/SU1546988A1/en