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Privilege, issued from the Department of Trade and Manufactures in 1893 to the nobleman Mikhail Dolivo-Dobrovolsky, for improvements in secondary electric machines: 5350/94: Declared. 24.02.1892: Granting of the privilege 08/18/1983 / Mikhail Dolivo-Dobrovolsky. - St. Petersburg: Type. V. Kirschbaum, 1893. -4 p., 1 p. Features. -
Bibliography. in the text. - Ex: from the rukop. litter.
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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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