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发明名称
Paper clip
摘要
申请公布号
US2455399(A)
申请公布日期
1948.12.07
申请号
US19440568477
申请日期
1944.12.16
申请人
LAWRENCE G. BOTTS
发明人
BOTTS HUGH P.
分类号
B42F1/08
主分类号
B42F1/08
代理机构
代理人
主权项
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