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经营范围
发明名称
Transmitter
摘要
申请公布号
US1985924(A)
申请公布日期
1935.01.01
申请号
US19300424761
申请日期
1930.01.31
申请人
RADIO CORPORATION OF AMERICA
发明人
HANSELL CLARENCE W.
分类号
H03C1/24
主分类号
H03C1/24
代理机构
代理人
主权项
地址
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