... List of charges (For foreign patent agents)
английский/... List of charges (For foreign patent agents) / Chamber of commerce of the USSR. Patent bureau.... List of charges (For foreign patent agents) / Chamber of commerce of the USSR. Patent bureau.... List of charges (For foreign patent agents).Leningrad/тип. "Шт.-Гр. кооп."/, [19??] ( ). - тип. "Шт.-Гр. кооп.", [19??]. - 16 с. ; 12 см см.... List of charges (For foreign patent agents). Leningrad, [19??] . Chamber of commerce of the USSR .