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发明名称
Screw socket
摘要
申请公布号
US2474994(A)
申请公布日期
1949.07.05
申请号
US19420470671
申请日期
1942.12.30
申请人
AMERICAN SCREW COMPANY
发明人
TOMALIS JOSEPH J.
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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