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Patents for A. S. Dolgorouky
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
DE-6,870	Aug. 22, 1879	A.S. Dolgorouky	Innovations to Rotating Machines	rotary steam engines
DE-9,066	Mar. 01, 1880	A.S. Dolgorouky	Innovations to Rotating Machines	rotary steam engines

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