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经营范围
发明名称
Oscillation generator
摘要
申请公布号
US2568868(A)
申请公布日期
1951.09.25
申请号
US19460709985
申请日期
1946.11.15
申请人
RADIO CORPORATION OF AMERICA
发明人
PRATT JOHN HARRY
分类号
H03B5/22
主分类号
H03B5/22
代理机构
代理人
主权项
地址
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