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发明名称
Television system
摘要
申请公布号
US1984673(A)
申请公布日期
1934.12.18
申请号
US19310531668
申请日期
1931.04.21
申请人
RADIO CORPORATION OF AMERICA
发明人
MONT ALLEN B. DU
分类号
H04N7/22
主分类号
H04N7/22
代理机构
代理人
主权项
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