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发明名称
VARIABLE BARREL WIDTH ROLLING ROLL
摘要
申请公布号
JPH0780516(A)
申请公布日期
1995.03.28
申请号
JP19930229198
申请日期
1993.09.14
申请人
NIPPON STEEL CORP
发明人
KITAMURA TAKASHI
分类号
B21B27/02;B21B27/03;B21B31/18;(IPC1-7):B21B27/03
主分类号
B21B27/02
代理机构
代理人
主权项
地址
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