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Filing date
Publication date
Application filed by К.С. Лоптин, А.И. МееровfiledCriticalК.С. Лоптин
Priority to SU53914ApriorityCriticalpatent/SU18624A1/ru
Priority claimed from SU53914Aexternal-prioritypatent/SU18624A1/ru
Application grantedgrantedCritical
Publication of SU18623A1publicationCriticalpatent/SU18623A1/ru
Publication of SU18624A1publicationCriticalpatent/SU18624A1/ru