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经营范围
发明名称
Rolling mill
摘要
申请公布号
US1832113(A)
申请公布日期
1931.11.17
申请号
US19300425004
申请日期
1930.01.31
申请人
MORGAN CONSTRUCTION COMPANY
发明人
GEORGE JEROME R.
分类号
B21B1/18
主分类号
B21B1/18
代理机构
代理人
主权项
地址
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