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发明名称
Impedance measuring
摘要
申请公布号
US2551337(A)
申请公布日期
1951.05.01
申请号
US19480041332
申请日期
1948.07.29
申请人
RADIO CORPORATION OF AMERICA
发明人
ROBERTS WALTER VAN B.
分类号
G01R27/26
主分类号
G01R27/26
代理机构
代理人
主权项
地址
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