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经营范围
发明名称
MECHANISM FOR ACTUATING BAR STEADIER
摘要
申请公布号
US3457758(A)
申请公布日期
1969.07.29
申请号
USD3457758
申请日期
1967.03.03
申请人
UNITED STATES STEEL CORP.
发明人
ROBERT C. DOERR
分类号
B21B25/02;(IPC1-7):B21B17/10;B21D43/16
主分类号
B21B25/02
代理机构
代理人
主权项
地址
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