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发明名称
ROLLING MILL
摘要
申请公布号
JPH0220603(A)
申请公布日期
1990.01.24
申请号
JP19880166747
申请日期
1988.07.06
申请人
HITACHI LTD
发明人
TAKAGI MICHIMASA
分类号
B21B13/02;B21B31/10
主分类号
B21B13/02
代理机构
代理人
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