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经营范围
发明名称
Improvements in rolling mills
摘要
申请公布号
GB1090082(A)
申请公布日期
1967.11.08
申请号
GB19650049642
申请日期
1965.11.23
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
B21B13/02;B21B31/02;B21B39/00
主分类号
B21B13/02
代理机构
代理人
主权项
地址
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