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发明名称
Dispositif de production et de contrôle d'oscillations
摘要
申请公布号
FR787287(A)
申请公布日期
1935.09.19
申请号
FRD787287
申请日期
1934.10.15
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J19/66;H03B5/18
主分类号
H01J19/66
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