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发明名称
Boring machine
摘要
申请公布号
US2640376(A)
申请公布日期
1953.06.02
申请号
US19510210057
申请日期
1951.02.08
申请人
THE INGERSOLL MILLING MACHINE COMPANY
发明人
JOHNSON ARTHUR W.
分类号
B23B39/02
主分类号
B23B39/02
代理机构
代理人
主权项
地址
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