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发明名称
Paper fastener
摘要
申请公布号
US1936144(A)
申请公布日期
1933.11.21
申请号
US19330672497
申请日期
1933.05.23
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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