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发明名称
APPARATUS FOR CLOSING OF SUBMERGED ENTRY NOZZLE
摘要
申请公布号
KR100779714(B1)
申请公布日期
2007.11.26
申请号
KR20010066799
申请日期
2001.10.29
申请人
发明人
分类号
B22D11/106
主分类号
B22D11/106
代理机构
代理人
主权项
地址
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