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发明名称
Ear muff band
摘要
申请公布号
US2504826(A)
申请公布日期
1950.04.18
申请号
US19470790477
申请日期
1947.12.09
申请人
IRVING GOLDMAN
发明人
GOLDMAN IRVING
分类号
A61F11/06
主分类号
A61F11/06
代理机构
代理人
主权项
地址
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