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发明名称
BARREL CORE AND CASTING METHOD USING THE SAME
摘要
申请公布号
KR100622063(B1)
申请公布日期
2006.09.08
申请号
KR20040026827
申请日期
2004.04.19
申请人
发明人
分类号
B22D35/06
主分类号
B22D35/06
代理机构
代理人
主权项
地址
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