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发明名称
Paper fastener
摘要
申请公布号
US2167920(A)
申请公布日期
1939.08.01
申请号
US19380240032
申请日期
1938.11.12
申请人
SAFETY FASTENER CO.
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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