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发明名称
COAL ADDITIVE AND ITS MANUFACTURING METHOD FOR STEELPRODUCTION OF ELECTRIC FURNACE
摘要
申请公布号
KR1019940008453(B1)
申请公布日期
1994.09.15
申请号
KR1019920024516
申请日期
1992.12.16
申请人
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主分类号
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