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发明名称
METHOD FOR THE DIRECT REDUCTION OF IRON USING GAS FROM COAL
摘要
申请公布号
KR1019820000851(B1)
申请公布日期
1982.05.17
申请号
KR1019790002745
申请日期
1979.08.10
申请人
发明人
分类号
主分类号
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主权项
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