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发明名称
Semiconductor filter circuit
摘要
申请公布号
US3335355(A)
申请公布日期
1967.08.08
申请号
US19640353403
申请日期
1964.03.20
申请人
RADIO CORPORATION OF AMERICA
发明人
BECK JOHN B.
分类号
H02M1/14;H04B15/00
主分类号
H02M1/14
代理机构
代理人
主权项
地址
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