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发明名称
Automatic feed for die machining apparatus
摘要
申请公布号
US2621448(A)
申请公布日期
1952.12.16
申请号
US19510235044
申请日期
1951.07.03
申请人
UNITED STATES STEEL COMPANY
发明人
MACMEANS MARSHALL H.;OBERDOERSTER CLARENCE J.
分类号
B24B5/48
主分类号
B24B5/48
代理机构
代理人
主权项
地址
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