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发明名称
Power braked mobile drill
摘要
申请公布号
US1875016(A)
申请公布日期
1932.08.30
申请号
US19280274258
申请日期
1928.05.01
申请人
THE CINCINNATI BICKFORD TOOL COMPANY
发明人
KLAUSMEYER DAVID C.
分类号
B23Q1/28
主分类号
B23Q1/28
代理机构
代理人
主权项
地址
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