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发明名称
Semi-conductor oscillators
摘要
申请公布号
US2931898(A)
申请公布日期
1960.04.05
申请号
US19490113262
申请日期
1949.08.31
申请人
RADIO CORPORATION OF AMERICA
发明人
ENDRES RICHARD O.;EBERHARD EVERETT
分类号
H03B5/12
主分类号
H03B5/12
代理机构
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