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Dynamo DC: No. 15527. Declared.04/03/1904.Issue 31.05.1909 / h.A.Parsons, D.D.A moan.- [B.M .: B. and., 1909].-1449-1451 p., 1 l.Il .. -Description of direct current dynamos.To the privilege of foreigners Ch.A.Parsons (Ch. A. Parsons) and D.D.GSG Stoney, in the city of Hiten Vorks, in England, declared on April 3, 1904 (okhr. St. No. 23668).Group XI.No. 15527. May 31, 1909.I. Gene, D. D. .. II.Parsons, Ch.A..1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS
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