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发明名称
Filtre d'ondes
摘要
申请公布号
FR829577(A)
申请公布日期
1938.06.30
申请号
FRD829577
申请日期
1937.11.19
申请人
ALLGEMEINE ELEKTRICITATS-GESELLSCHAFT
发明人
分类号
H03H7/01;H03H7/075
主分类号
H03H7/01
代理机构
代理人
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