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发明名称
Safety screw driver
摘要
申请公布号
US2406952(A)
申请公布日期
1946.09.03
申请号
US19430489909
申请日期
1943.06.07
申请人
MARCO JOSEPHO ANATOL
发明人
JOSEPHO ANATOL MARCO
分类号
B25B13/48;B25B15/02;B25B23/10
主分类号
B25B13/48
代理机构
代理人
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地址
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