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发明名称
ULTRA SHORT WAVE OSCILLATION GENERATION
摘要
申请公布号
CA339092(A)
申请公布日期
1934.01.30
申请号
CAD339092
申请日期
申请人
THE RADIO CORPORATION OF AMERICA
发明人
CLARENCE WESTON HANSELL
分类号
主分类号
代理机构
代理人
主权项
地址
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