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发明名称
Dispositif de filtrage passe-bande
摘要
申请公布号
CH334108(A)
申请公布日期
1958.11.15
申请号
CHD334108
申请日期
1953.08.01
申请人
STANDARD TELEPHONE ET RADIO S. A.
发明人
D. GRIEG,DONALD
分类号
H01P1/20;H04B1/26
主分类号
H01P1/20
代理机构
代理人
主权项
地址
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