Comparison of Impedance Characteristics of Copper- and Carbon-Eearth Electrode by Application of Various Current Source (다양한 전류원에서 접지동봉과 탄소접지극의 임피던스 특성 비교)
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- Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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- 2008.10a
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- pp.293-296
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- 2008