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发明名称
High-frequency oscillator
摘要
申请公布号
US2173193(A)
申请公布日期
1939.09.19
申请号
US19370159616
申请日期
1937.08.18
申请人
RADIO CORPORATION OF AMERICA
发明人
ZWORYKIN VLADIMIR K.
分类号
H03B13/00;H03B19/10
主分类号
H03B13/00
代理机构
代理人
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地址
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