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发明名称
Cam action screw driver
摘要
申请公布号
US2543441(A)
申请公布日期
1951.02.27
申请号
US19470733775
申请日期
1947.03.11
申请人
CRUMMEY GEORGE F
发明人
CRUMMEY GEORGE F.
分类号
B25B19/00
主分类号
B25B19/00
代理机构
代理人
主权项
地址
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