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Application filed by В.Я. СавченкоfiledCriticalВ.Я. Савченко
Priority to SU3486807/06ApriorityCriticalpatent/SU1077391A2/en
Application grantedgrantedCritical
Publication of RU1077391CpublicationCriticalpatent/RU1077391C/en
Publication of SU1077391A2publicationCriticalpatent/SU1077391A2/en