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发明名称
COLOR TELEVISION SYSTEMS
摘要
申请公布号
CA475708(A)
申请公布日期
1951.07.31
申请号
CAD475708
申请日期
申请人
RADIO CORPORATION OF AMERICA
发明人
FRANK J. SOMERS
分类号
主分类号
代理机构
代理人
主权项
地址
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