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经营范围
发明名称
Combined socket and slotted screw
摘要
申请公布号
US2082748(A)
申请公布日期
1937.06.01
申请号
US19360115935
申请日期
1936.12.15
申请人
CONTINENTAL SCREW COMPANY
发明人
BROWN FRANK K.
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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