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经营范围
发明名称
ROLLING MILL
摘要
申请公布号
JPS5524740(A)
申请公布日期
1980.02.22
申请号
JP19780097237
申请日期
1978.08.11
申请人
HITACHI LTD
发明人
MATSUMOTO KOUICHI
分类号
B21B13/14;B21B27/02;B21B27/05
主分类号
B21B13/14
代理机构
代理人
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