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发明名称
Tack button
摘要
申请公布号
US2170234(A)
申请公布日期
1939.08.22
申请号
US19380208479
申请日期
1938.05.17
申请人
THE PATENT BUTTON COMPANY
发明人
CARLEY LEONARD R.
分类号
A44B1/44
主分类号
A44B1/44
代理机构
代理人
主权项
地址
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