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发明名称
Machine attached button
摘要
申请公布号
US2649633(A)
申请公布日期
1953.08.25
申请号
US19520302875
申请日期
1952.08.06
申请人
THE PATENT BUTTON COMPANY
发明人
PURINTON FORREST G.
分类号
A44B1/44;A44B17/00
主分类号
A44B1/44
代理机构
代理人
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地址
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