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发明名称
ROLLING MILLS
摘要
申请公布号
US3446050(A)
申请公布日期
1969.05.27
申请号
USD3446050
申请日期
1966.06.29
申请人
UNITED ENG. & FOUNDRY CO.
发明人
JEREMIAH WAGNER O'BRIEN
分类号
B21B31/10;(IPC1-7):B21B31/10
主分类号
B21B31/10
代理机构
代理人
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