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经营范围
发明名称
Screw stud
摘要
申请公布号
US2601385(A)
申请公布日期
1952.06.24
申请号
US19460658752
申请日期
1946.04.01
申请人
PITTSBURGH SCREW AND BOLT CORPORATION
发明人
GRAHAM HARRY C.
分类号
F16B15/06
主分类号
F16B15/06
代理机构
代理人
主权项
地址
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