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发明名称
Jewelry clasp
摘要
申请公布号
US2186438(A)
申请公布日期
1940.01.09
申请号
US19390251680
申请日期
1939.01.19
申请人
RALPH W. BIGGS & CO., INC.
发明人
WEINER MORRIS
分类号
A44C5/20
主分类号
A44C5/20
代理机构
代理人
主权项
地址
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