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发明名称
METHOD FOR TREATMENT OF MOLTEN STEEL FOR MAKING SOLIDIFICATION STRUCTURE OF CAST STEEL PIECE FINE
摘要
申请公布号
KR100550678(B1)
申请公布日期
2006.02.09
申请号
KR20007013895
申请日期
2000.12.07
申请人
发明人
分类号
B22D11/10
主分类号
B22D11/10
代理机构
代理人
主权项
地址
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OPTICAL REFLECTOR
