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发明名称
Motor driven hand tool
摘要
申请公布号
US2274448(A)
申请公布日期
1942.02.24
申请号
US19400342171
申请日期
1940.06.24
申请人
H AND H RESEARCH COMPANY
发明人
HOOVER EDWARD M.
分类号
B23D67/00;B23Q5/027;H02K7/14
主分类号
B23D67/00
代理机构
代理人
主权项
地址
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