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发明名称
Power drill
摘要
申请公布号
US2220791(A)
申请公布日期
1940.11.05
申请号
US19390269969
申请日期
1939.04.25
申请人
LENORD H. PEQUIGNOT
发明人
MCWHIRTER RALPH
分类号
B23Q5/04
主分类号
B23Q5/04
代理机构
代理人
主权项
地址
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