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Application filed by С.В. МанушкинfiledCriticalС.В. Манушкин
Priority to SU7482ApriorityCriticalpatent/SU5633A1/ru
Priority claimed from SU7482Aexternal-prioritypatent/SU5633A1/ru
Publication of SU2557A1publicationCriticalpatent/SU2557A1/ru
Application grantedgrantedCritical
Publication of SU5633A1publicationCriticalpatent/SU5633A1/ru