Private company
Duflon, Konstantinovich & Co.
Duflon, Konstantinovich & Co. is a Russian electrical equipment firm based in Saint Petersburg, founded in 1901.1 It ceased to exist in 1918.1
Дюфлон, Константинович и Ко («Дюфлон и Константинович») — промышленное (электротехническое) предприятие Российской империи.2 From the Russian Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Sources
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