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发明名称
Filtres électriques
摘要
申请公布号
FR856603(A)
申请公布日期
1940.07.29
申请号
FRD856603
申请日期
1939.06.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03H7/06;H03H7/07;H03H7/075
主分类号
H03H7/06
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代理人
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