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发明名称
Perfectionnements aux systèmes pour ondes ultra-courtes
摘要
申请公布号
FR803757(A)
申请公布日期
1936.10.08
申请号
FRD803757
申请日期
1936.03.20
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H03F3/54;H04B1/26
主分类号
H03F3/54
代理机构
代理人
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