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经营范围
发明名称
ROLLING MILL
摘要
申请公布号
JPS6272408(A)
申请公布日期
1987.04.03
申请号
JP19850214161
申请日期
1985.09.27
申请人
HITACHI LTD
发明人
SONOBE NORIYOSHI
分类号
B21B31/22
主分类号
B21B31/22
代理机构
代理人
主权项
地址
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