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Application filed by Е.Д. ПономареваfiledCriticalЕ.Д. Пономарева
Priority to SU78179ApriorityCriticalpatent/SU12566A1/en
Application grantedgrantedCritical
Publication of SU12566A1publicationCriticalpatent/SU12566A1/en
Тип. Гидро1 р. Упр. Управл. В.-М. Сил РККА. Ленинград, здание Гл. Адмиралтейогва.Type of. Hydro1 p. Exercise Manage V.-M. Forces of the Red Army. Leningrad, building Gl. Admiralteogua.
SU78179A1924-04-291924-04-29
Shut-off valve for gushing boreholes
SU12566A1
(en)