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发明名称
High frequency transmission system
摘要
申请公布号
US2283575(A)
申请公布日期
1942.05.19
申请号
US19380202826
申请日期
1938.04.19
申请人
RADIO CORPORATION OF AMERICA
发明人
ROBERTS WALTER VAN B.
分类号
B60C19/12;H03C1/52;H04B14/00
主分类号
B60C19/12
代理机构
代理人
主权项
地址
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