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经营范围
发明名称
Hollow rivet and expander pin having curved engaging surfaces
摘要
申请公布号
US2751809(A)
申请公布日期
1956.06.26
申请号
US19520286192
申请日期
1952.05.05
申请人
NORTH AMERICAN AVIATION, INC.
发明人
BARKER WILLIAM T.
分类号
B23K35/365;F16B19/10
主分类号
B23K35/365
代理机构
代理人
主权项
地址
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