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Publication of SU2398A1publicationCriticalpatent/SU2398A1/ru
Application filed by Н.К. МокошевfiledCriticalН.К. Мокошев
Priority to SU2930ApriorityCriticalpatent/SU73464A1/ru
Application grantedgrantedCritical
Publication of SU73464A1publicationCriticalpatent/SU73464A1/ru