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发明名称
Attaching means for jewelry
摘要
申请公布号
US2499592(A)
申请公布日期
1950.03.07
申请号
US19490081491
申请日期
1949.03.15
申请人
LOUIS KRAMER
发明人
KRAMER LOUIS
分类号
A44C5/18
主分类号
A44C5/18
代理机构
代理人
主权项
地址
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