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EVS-EN 50423-1:2005 Elektriõhuliinid vahelduvpingega üle 1 kV kuni 45 kV. Osa 1, Üldnõuded - ühised eeskirjad = Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV. Part 1, General requirements - common specifications
Translator: Peeter Raesaar, Tiit Metusala, Author: Eesti Standardikeskus