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发明名称
Nozzle for converter steel tap hole
摘要
申请公布号
KR100851482(B1)
申请公布日期
2008.08.08
申请号
KR20010076735
申请日期
2001.12.05
申请人
发明人
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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