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发明名称
Filtres passebande
摘要
申请公布号
FR936685(A)
申请公布日期
1948.07.27
申请号
FRD936685
申请日期
1944.01.18
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
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