A life test of metal halide and high pressure sodium lamp according to voltage variation (전원전압 변동에 따른 메탈핼라이드램프와 고압나트륨램프의 수명시험)
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- Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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- 2006.05a
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- pp.228-229
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- 2006