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发明名称
Flexible button
摘要
申请公布号
US1800766(A)
申请公布日期
1931.04.14
申请号
US19300493135
申请日期
1930.11.03
申请人
THE PATENT BUTTON COMPANY
发明人
WHITE FRANKLIN R.;WOOSTER JOHN J.
分类号
A44B1/44
主分类号
A44B1/44
代理机构
代理人
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地址
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