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发明名称
DEMULTIPLICATEUR DE FREQUENCE
摘要
申请公布号
BE756788(A1)
申请公布日期
1971.03.01
申请号
BED756788
申请日期
申请人
SIEMENS A.G., A BERLIN ET A MUNICH (ALLEMAGNE),
发明人
分类号
H03B19/14;(IPC1-7):H03D/
主分类号
H03B19/14
代理机构
代理人
主权项
地址
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