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经营范围
发明名称
Preparation of rolls for use in rod rolling mills
摘要
申请公布号
US2788717(A)
申请公布日期
1957.04.16
申请号
US19510229756
申请日期
1951.06.04
申请人
ARMCO STEEL CORPORATION
发明人
BRADBURY WILLIAM EDWARD
分类号
B21B1/16;B23C3/34
主分类号
B21B1/16
代理机构
代理人
主权项
地址
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