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经营范围
发明名称
Porous plug
摘要
申请公布号
KR101202645(B1)
申请公布日期
2012.11.20
申请号
KR20100085397
申请日期
2010.09.01
申请人
发明人
分类号
B22D41/42;C21C7/072
主分类号
B22D41/42
代理机构
代理人
主权项
地址
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