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发明名称
Rolling mill
摘要
申请公布号
US2040543(A)
申请公布日期
1936.05.12
申请号
US19330698757
申请日期
1933.11.20
申请人
LEWIS FOUNDRY & MACHINE COMPANY
发明人
BEATTY FLOYD A.
分类号
B21B39/04
主分类号
B21B39/04
代理机构
代理人
主权项
地址
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