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发明名称
Screw driver
摘要
申请公布号
US2406149(A)
申请公布日期
1946.08.20
申请号
US19440522805
申请日期
1944.02.17
申请人
JENNI JESSE B
发明人
JENNI JESSE B.
分类号
B25B17/00
主分类号
B25B17/00
代理机构
代理人
主权项
地址
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