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发明名称
HOT ROD ROLLING MILL ROLL
摘要
申请公布号
KR1019880000639(B1)
申请公布日期
1988.04.19
申请号
KR1019840001574
申请日期
1984.03.27
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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