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发明名称
Auto open/close apparatus of lance injection hole
摘要
申请公布号
KR100812143(B1)
申请公布日期
2008.03.12
申请号
KR20010055848
申请日期
2001.09.11
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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