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发明名称
HEAT EXCHANGE DEVICE FOR COOLING THE WALL AND REFRACTORY OF A BLAST FURNACE
摘要
申请公布号
KR1019810001386(B1)
申请公布日期
1981.10.17
申请号
KR1019780001783
申请日期
1978.06.12
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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