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Application filed by П.Т. Кисляков, ков П.Т. КислfiledCriticalП.Т. Кисляков
Priority to SU52270ApriorityCriticalpatent/SU19424A1/ru
Application grantedgrantedCritical
Publication of SU19424A1publicationCriticalpatent/SU19424A1/ru