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发明名称
Method of making bimetallic finger rings
摘要
申请公布号
US2133918(A)
申请公布日期
1938.10.18
申请号
US19380196045
申请日期
1938.03.15
申请人
THE JOSTEN MANUFACTURING COMPANY
发明人
ECCLES WILLIAM E.
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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