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发明名称
Modulating system for short waves
摘要
申请公布号
US2078302(A)
申请公布日期
1937.04.27
申请号
US19330687599
申请日期
1933.08.31
申请人
RADIO CORPORATION OF AMERICA
发明人
WOLFF IRVING
分类号
H03C7/02
主分类号
H03C7/02
代理机构
代理人
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