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经营范围
发明名称
An improved safety pin
摘要
申请公布号
GB597959(A)
申请公布日期
1948.02.06
申请号
GB19450017529
申请日期
1945.07.10
申请人
GEORGE THOMAS BROWN
发明人
分类号
A44B9/18
主分类号
A44B9/18
代理机构
代理人
主权项
地址
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