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发明名称
Screw driver
摘要
申请公布号
US1908081(A)
申请公布日期
1933.05.09
申请号
US19320617841
申请日期
1932.06.17
申请人
H. F. PHILLIPS
发明人
THOMPSON JOHN P.
分类号
B25B15/00;F16B23/00
主分类号
B25B15/00
代理机构
代理人
主权项
地址
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