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发明名称
Television
摘要
申请公布号
US2339256(A)
申请公布日期
1944.01.18
申请号
US19410413390
申请日期
1941.10.03
申请人
COLUMBIA BROADEASTING SYSTEM, INC.
发明人
DONCASTER DAN PETER
分类号
H04N9/22
主分类号
H04N9/22
代理机构
代理人
主权项
地址
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