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Application filed by Л.Г. ШтеренбергfiledCriticalЛ.Г. Штеренберг
Priority to SU1820322/06ApriorityCriticalpatent/RU430694C/en
Priority claimed from SU1820322/06Aexternal-prioritypatent/RU430694C/en
Application grantedgrantedCritical
Publication of SU430694A1publicationCriticalpatent/SU430694A1/en
Publication of RU430694CpublicationCriticalpatent/RU430694C/en