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发明名称
Photo radio signaling by frequency modulation
摘要
申请公布号
US2411853(A)
申请公布日期
1946.12.03
申请号
US19410403821
申请日期
1941.07.24
申请人
RADIO CORPORATION
发明人
FINCH JAMES L.
分类号
H04B14/00;H04N1/00
主分类号
H04B14/00
代理机构
代理人
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地址
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