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发明名称
Jewelry clasp
摘要
申请公布号
US2233071(A)
申请公布日期
1941.02.25
申请号
US19400318127
申请日期
1940.02.09
申请人
COHN & ROSENBERGER, INC.
发明人
BANGS RALPH C.
分类号
A44C5/20;A44C11/02
主分类号
A44C5/20
代理机构
代理人
主权项
地址
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