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发明名称
Microphone mounting for hearing aids
摘要
申请公布号
US2833868(A)
申请公布日期
1958.05.06
申请号
US19530353541
申请日期
1953.05.07
申请人
MAICO ELECTRONICS, INC.
发明人
KOJIS JOHN J.;WILCOX WILLIAM C.
分类号
H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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