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发明名称
Fastener
摘要
申请公布号
US2292225(A)
申请公布日期
1942.08.04
申请号
US19410397024
申请日期
1941.06.07
申请人
ACCO PRODUCTS, INC.
发明人
KERN EMIL
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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