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发明名称
Paper fastener
摘要
申请公布号
US2314532(A)
申请公布日期
1943.03.23
申请号
US19400347576
申请日期
1940.07.26
申请人
WAGNER CHESTER I
发明人
WAGNER CHESTER I.
分类号
B42F13/08
主分类号
B42F13/08
代理机构
代理人
主权项
地址
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