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发明名称
Television system
摘要
申请公布号
US2286540(A)
申请公布日期
1942.06.16
申请号
US19390263320
申请日期
1939.03.22
申请人
RADIO CORPORATION OF AMERICA
发明人
HANSON OSCAR B.
分类号
H04N5/222
主分类号
H04N5/222
代理机构
代理人
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地址
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