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发明名称
Paper clip
摘要
申请公布号
US2269649(A)
申请公布日期
1942.01.13
申请号
US19410389247
申请日期
1941.04.18
申请人
COMLCY JAMES H
发明人
COMLCY JAMES H.
分类号
B42F1/08
主分类号
B42F1/08
代理机构
代理人
主权项
地址
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