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经营范围
发明名称
Coupling circuit
摘要
申请公布号
US2312827(A)
申请公布日期
1943.03.02
申请号
US19410412266
申请日期
1941.09.25
申请人
RADIO CORPORATION OF AMERICA
发明人
LINDENBLAD NILS E.
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
主权项
地址
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