SEMYONOV Jahon Tarixi
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Хавф крида500кВ 1
Мактаб жамоасини бошқариш
Noorganik kimyo
Ayupova M., Kurbonova M.A., Mirzayev U.M.
IEEE Std 3004.7-2021 IEEE Recommended Practice for Conductor ...
Industrial and Commercial Power Systems Standards Development ...