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经营范围
发明名称
Screw having deformable temporary head disposed in a groove
摘要
申请公布号
US2877681(A)
申请公布日期
1959.03.17
申请号
US19540423604
申请日期
1954.04.16
申请人
SET SCREW & MFG. COMPANY
发明人
BROWN CALVIN O.
分类号
F16B27/00;F16B35/00
主分类号
F16B27/00
代理机构
代理人
主权项
地址
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