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发明名称
Signal translating apparatus
摘要
申请公布号
US2103361(A)
申请公布日期
1937.12.28
申请号
US19360110436
申请日期
1936.11.12
申请人
RADIO CORPORATION
发明人
GUEDON EMILE C.
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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