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发明名称
Signal translating device
摘要
申请公布号
US2388116(A)
申请公布日期
1945.10.30
申请号
US19410399221
申请日期
1941.06.21
申请人
BRUDERLIN HENRY H
发明人
BRUDERLIN HENRY H.
分类号
H04R11/08
主分类号
H04R11/08
代理机构
代理人
主权项
地址
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