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发明名称
Dispositif de mesure d'affaiblissement à très haute fréquence
摘要
申请公布号
FR927609(A)
申请公布日期
1947.11.04
申请号
FRD927609
申请日期
1946.06.03
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
MAHREN ARTHUR
分类号
H03H7/24
主分类号
H03H7/24
代理机构
代理人
主权项
地址
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