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发明名称
Parametric oscillator phase switching means
摘要
申请公布号
US2992398(A)
申请公布日期
1961.07.11
申请号
US19590787019
申请日期
1959.01.15
申请人
RADIO CORPORATION OF AMERICA
发明人
STERZER FRED
分类号
G11C11/20
主分类号
G11C11/20
代理机构
代理人
主权项
地址
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