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发明名称
Semiautomatic screw-down control for rolling mills
摘要
申请公布号
US2767603(A)
申请公布日期
1956.10.23
申请号
US19520302925
申请日期
1952.08.06
申请人
UNITED STATES STEEL CORPORATION
发明人
RENDEL GEORGE H.
分类号
B21B37/60
主分类号
B21B37/60
代理机构
代理人
主权项
地址
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