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经营范围
发明名称
Bracelet with hinged arms biased by a planular spring
摘要
申请公布号
US2996899(A)
申请公布日期
1961.08.22
申请号
US19570705847
申请日期
1957.12.30
申请人
CORO OF RHODE ISLAND, INC.
发明人
DONLE EDWIN S.
分类号
A44C5/12
主分类号
A44C5/12
代理机构
代理人
主权项
地址
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