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发明名称
Button holder
摘要
申请公布号
US2318369(A)
申请公布日期
1943.05.04
申请号
US19390307949
申请日期
1939.12.07
申请人
JACOB BRUSSELL
发明人
BRUSSELL JACOB
分类号
D05B3/14
主分类号
D05B3/14
代理机构
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