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Peredacha ėnergii postoi︠a︡nnym tokom
I. M. Bortnik · Ėnergoatomizdat
212 sayfa · 1985
Direct current / Electric power distribution / Direct Electric currents
Ėlektrotekhnicheskoe oborudovanie dli͡a vstavki postoi͡annogo toka
I. M. Bortnik, V. P. Kulakov · Ėnergoatomizdat
128 sayfa · 1986
Electric power distribution / Direct current
