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发明名称
Safety pin
摘要
申请公布号
US2554519(A)
申请公布日期
1951.05.29
申请号
US19480034402
申请日期
1948.06.22
申请人
HENRY BURBIG
发明人
BURBIG HENRY
分类号
A44B9/14
主分类号
A44B9/14
代理机构
代理人
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