The influence of 50Hz and 60Hz operating frequencies on the core loss of transformer steel
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Podjetje Jiangsu Zhongtongweiye Special Steel Co., Ltd. je profesionalni in ugleden proizvajalec ter izvoznik jekla s sedežem v Wuxiju na Kitajskem. Specializirano je za ponudbo silicijevega jekla, jekla iz nikljevih zlitin, jekla za matrice in drugih sorodnih jeklenih izdelkov……
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