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发明名称
Perfectionnement des filtres en échelle permettant leur mise en série ou en parallèle directe par l'utilisation d'une forme particulière d'imprédance-image de ces filtres
摘要
申请公布号
FR1077179(A)
申请公布日期
1954.11.04
申请号
FRD1077179
申请日期
1953.03.26
申请人
SOCIETE ANONYME DE TELECOMMUNICATIONS
发明人
COLIN JEAN
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
主权项
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