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Privilege, issued from the Department of Trade and Manufactures in 1893 to the nobleman Mikhail Dolivo-Dobrovolsky, for improvements in electrical transformers: No. 5351/95: Declared. 17.02.1892 and 05.04.1893: Granting of the privilege 08/18/1983 / Mikhail Dolivo-Dobrovolsky. - St. Petersburg: Type. V. Kirschbaum, 1893.-6 p., 1 p. Features. -
Bibliography. in the text.
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I. Dolivo-Dobrovolsky, Mikhail. The people (the collection). |
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Source of electronic copy: PB
Location of the original: FIPS |
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Ru