18.97.9.170
18.97.9.170
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초기연산 300만톤 종합제철소의 계획과 건설
The Planning & Construction of An Integrated Steel Works with Initial Production Capacity of 3 Million Tons per Year
백덕현 ( Duk Hyon Baik )
UCI I410-ECN-0102-2009-580-007111045
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