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发明名称
METHOD OF PRODUCING ROUND BILLETS
摘要
申请公布号
KR100658647(B1)
申请公布日期
2006.12.15
申请号
KR20017007992
申请日期
2001.06.22
申请人
发明人
分类号
B22D11/12
主分类号
B22D11/12
代理机构
代理人
主权项
地址
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