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经营范围
发明名称
Oscillator circuit
摘要
申请公布号
US2292798(A)
申请公布日期
1942.08.11
申请号
US19390284193
申请日期
1939.07.13
申请人
RADIO CORPORATION
发明人
ROBERTS WALTER VAN B.
分类号
H03B5/10
主分类号
H03B5/10
代理机构
代理人
主权项
地址
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