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发明名称
Paper fastener
摘要
申请公布号
US2543144(A)
申请公布日期
1951.02.27
申请号
US19460656629
申请日期
1946.03.23
申请人
WOLD THOMAS F
发明人
WOLD THOMAS F.
分类号
B42F3/00
主分类号
B42F3/00
代理机构
代理人
主权项
地址
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