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Application filed by П.Г. ГалаховfiledCriticalП.Г. Галахов
Priority to SU35068ApriorityCriticalpatent/SU12879A1/en
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Publication of SU12879A1publicationCriticalpatent/SU12879A1/en
Тип. Гндрогр. Упр. Управл. В.-М. Сил РККА. Ленинград, здание Гл. Адииралтейства.Type of. Gdrogr. Exercise Manage V.-M. Forces of the Red Army. Leningrad, building Gl. Adiralty.
SU35068A1928-11-101928-11-10
Method of making artificial porous stones
SU12879A1
(en)