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发明名称
Ear wire
摘要
申请公布号
US2842825(A)
申请公布日期
1958.07.15
申请号
US19540416037
申请日期
1954.03.15
申请人
CORO, INC.
发明人
BANGS RALPH C.
分类号
A44C7/00
主分类号
A44C7/00
代理机构
代理人
主权项
地址
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