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发明名称
PROCESS FOR MANUFACTURING MOLTEN CRUDE IRON FROM LUMP IRON ORE
摘要
申请公布号
KR1019890002797(B1)
申请公布日期
1989.07.31
申请号
KR1019810003308
申请日期
1981.09.05
申请人
发明人
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主分类号
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