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经营范围
发明名称
Boring machines
摘要
申请公布号
US2902890(A)
申请公布日期
1959.09.08
申请号
US19530394759
申请日期
1953.11.27
申请人
STAPLES CHARLES F
发明人
STAPLES CHARLES F.
分类号
B23B47/22;B23Q5/20;B23Q5/32
主分类号
B23B47/22
代理机构
代理人
主权项
地址
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