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发明名称
Adjustable finger ring
摘要
申请公布号
US2105796(A)
申请公布日期
1938.01.18
申请号
US19370169730
申请日期
1937.10.18
申请人
RUSSELL ROBERT A
发明人
RUSSELL ROBERT A.
分类号
A44C9/02
主分类号
A44C9/02
代理机构
代理人
主权项
地址
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