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发明名称
Driver for socketed screws
摘要
申请公布号
US2369852(A)
申请公布日期
1945.02.20
申请号
US19420433031
申请日期
1942.03.02
申请人
THE HOLO-KROME SCREW CORPORATION
发明人
PURTELL WILLIAM A.
分类号
F16B23/00
主分类号
F16B23/00
代理机构
代理人
主权项
地址
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