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发明名称
Feeding machine for rolling mills
摘要
申请公布号
US2284575(A)
申请公布日期
1942.05.26
申请号
US19390256297
申请日期
1939.02.14
申请人
MARY ANITTA JOHNSON
发明人
JOHNSON JAMES B.
分类号
B21H9/00
主分类号
B21H9/00
代理机构
代理人
主权项
地址
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