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经营范围
发明名称
Television transmitter
摘要
申请公布号
US2299875(A)
申请公布日期
1942.10.27
申请号
US19400362547
申请日期
1940.10.24
申请人
RADIO CORPORATION
发明人
BEDFORD ALDA V.
分类号
H04N5/228
主分类号
H04N5/228
代理机构
代理人
主权项
地址
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