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发明名称
Bobby pin opener
摘要
申请公布号
US2548561(A)
申请公布日期
1951.04.10
申请号
US19470761302
申请日期
1947.07.16
申请人
SEWOL JOHN A
发明人
SEWOL JOHN A.
分类号
A45D8/18
主分类号
A45D8/18
代理机构
代理人
主权项
地址
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