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发明名称
bubbling plug for a ladle
摘要
申请公布号
KR100847778(B1)
申请公布日期
2008.07.23
申请号
KR20060138157
申请日期
2006.12.29
申请人
发明人
分类号
C21C7/072;B22D41/42;B22D41/58;C21C5/46
主分类号
C21C7/072
代理机构
代理人
主权项
地址
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