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发明名称
Finger ring
摘要
申请公布号
US2541415(A)
申请公布日期
1951.02.13
申请号
US19490074561
申请日期
1949.02.04
申请人
PETER GRAFSTEIN
发明人
GRAFSTEIN PETER
分类号
A44C9/02
主分类号
A44C9/02
代理机构
代理人
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