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经营范围
发明名称
Direct current filter circuit
摘要
申请公布号
GB1065170(A)
申请公布日期
1967.04.12
申请号
GB19650010896
申请日期
1965.03.15
申请人
RADIO CORPORATION OF AMERICA
发明人
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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