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发明名称
Recessed head fastener with oblique recess
摘要
申请公布号
US3028781(A)
申请公布日期
1962.04.10
申请号
US19580744712
申请日期
1958.06.26
申请人
PHILLIPS SCREW COMPANY
发明人
MUENCHINGER HERMAN G.
分类号
B25B15/00;F16B23/00
主分类号
B25B15/00
代理机构
代理人
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地址
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