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Application filed by Н.И. ВорончихинfiledCriticalН.И. Ворончихин
Priority to SU2445468/06ApriorityCriticalpatent/RU799561C/en
Priority claimed from SU2445468/06Aexternal-prioritypatent/RU799561C/en
Application grantedgrantedCritical
Publication of SU799561A1publicationCriticalpatent/SU799561A1/en
Publication of RU799561CpublicationCriticalpatent/RU799561C/en