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经营范围
发明名称
Système de télévision
摘要
申请公布号
FR762357(A)
申请公布日期
1934.04.10
申请号
FRD762357
申请日期
1933.10.14
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J29/76
主分类号
H01J29/76
代理机构
代理人
主权项
地址
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