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Publication of SU404185A1publicationCriticalpatent/SU404185A1/ru
Application grantedgrantedCritical
Publication of SU4984A1publicationCriticalpatent/SU4984A1/ru
Application filed by А.В. ХарахнинfiledCriticalА.В. Харахнин
Priority to SU10757ApriorityCriticalpatent/SU64865A1/ru
Priority claimed from SU10757Aexternal-prioritypatent/SU64865A1/ru
Publication of SU64865A1publicationCriticalpatent/SU64865A1/ru