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发明名称
Einrichtung zur Vermeidung unerwuenschter Rueckkopplungen bei UEbertragungssystemen
摘要
申请公布号
DE1062748(B)
申请公布日期
1959.08.06
申请号
DE1956S047722
申请日期
1956.02.29
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
WIEGAND FRIEDRICH
分类号
H04B3/20
主分类号
H04B3/20
代理机构
代理人
主权项
地址
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