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发明名称
Short wave signaling
摘要
申请公布号
US2027919(A)
申请公布日期
1936.01.14
申请号
US19330699373
申请日期
1933.11.23
申请人
RADIO CORPORATION OF AMERICA
发明人
LINDENBLAD NILS E.
分类号
H03B5/18;H03B9/01;H03B9/10;H03B19/10;H03C7/02;H04B1/03
主分类号
H03B5/18
代理机构
代理人
主权项
地址
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