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经营范围
发明名称
Television apparatus
摘要
申请公布号
US1971372(A)
申请公布日期
1934.08.28
申请号
US19320609056
申请日期
1932.05.04
申请人
RADIO CORPORATION OF AMERICA
发明人
DOWSETT HARRY MELVILLE;PLAISTOWE DONALD LEOPOLD
分类号
H04N3/04
主分类号
H04N3/04
代理机构
代理人
主权项
地址
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