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经营范围
发明名称
Television circuits
摘要
申请公布号
US2552060(A)
申请公布日期
1951.05.08
申请号
US19450607109
申请日期
1945.07.26
申请人
RADIO CORPORATION OF AMERICA
发明人
POCH WALDEMAR J.
分类号
H04N5/06
主分类号
H04N5/06
代理机构
代理人
主权项
地址
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