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发明名称
Safety pin
摘要
申请公布号
US2630611(A)
申请公布日期
1953.03.10
申请号
US19500178692
申请日期
1950.08.10
申请人
CLAY WHITTAKER HENRY
发明人
WHITTAKER HENRY CLAY
分类号
A44B9/14
主分类号
A44B9/14
代理机构
代理人
主权项
地址
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