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经营范围
发明名称
Dispositif d'accord au moyen d'une inductivité variable
摘要
申请公布号
FR850880(A)
申请公布日期
1939.12.28
申请号
FRD850880
申请日期
1939.02.27
申请人
FIDES
发明人
分类号
H01F21/08
主分类号
H01F21/08
代理机构
代理人
主权项
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