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发明名称
Photo radio system
摘要
申请公布号
US2274841(A)
申请公布日期
1942.03.03
申请号
US19400329990
申请日期
1940.04.16
申请人
RADIO CORPORATION
发明人
MATHES RICHARD E.;BLISS WARREN H.
分类号
H03K9/04;H04N1/00;H04N1/36
主分类号
H03K9/04
代理机构
代理人
主权项
地址
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