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发明名称
Interchangeable jewel mounting
摘要
申请公布号
US2436120(A)
申请公布日期
1948.02.17
申请号
US19460671623
申请日期
1946.05.22
申请人
DAVID PFEFFER
发明人
PFEFFER DAVID
分类号
A44C9/00;A44C17/02
主分类号
A44C9/00
代理机构
代理人
主权项
地址
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