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Application filed by В.В. ЧерновfiledCriticalВ.В. Чернов
Priority to SU40899ApriorityCriticalpatent/SU13765A1/en
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Publication of SU13765A1publicationCriticalpatent/SU13765A1/en
Тип. Гидрогр. Упр. Управл. В.-М. Сил РККА. Ленинград, здание Гл. Адмиралтейства.Type of. Hydro Exercise Manage V.-M. Forces of the Red Army. Leningrad, building Gl. Admiralty.