Effective impulse impedances of a deep-driven ground rod combined with other grounding electrodes (다른 형상의 접지전극에 접속된 심매설 접지전극의 실효임펄스임피던스)
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- Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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- 2004.05a
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- pp.565-569
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- 2004