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发明名称
Rolling mill
摘要
申请公布号
US2311075(A)
申请公布日期
1943.02.16
申请号
US19400322331
申请日期
1940.03.05
申请人
MORGAN CONSTRUCTION COMPANY
发明人
O'MALLEY JOSEPH M.
分类号
B21B13/06;B21B31/02;B21B31/18;B21B35/12;B21B35/14
主分类号
B21B13/06
代理机构
代理人
主权项
地址
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