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发明名称
Perfectionnements aux circuits de haute et moyenne fréquences
摘要
申请公布号
FR814551(A)
申请公布日期
1937.06.25
申请号
FRD814551
申请日期
1936.03.02
申请人
LE MATERIEL ONDIA
发明人
分类号
H01F17/04
主分类号
H01F17/04
代理机构
代理人
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