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经营范围
发明名称
Finger ring
摘要
申请公布号
US2294577(A)
申请公布日期
1942.09.01
申请号
US19410406160
申请日期
1941.08.09
申请人
SCOTT CARL W
发明人
SCOTT CARL W.
分类号
A44C9/00
主分类号
A44C9/00
代理机构
代理人
主权项
地址
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