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经营范围
发明名称
Kaskadenverstaerker mit negativer Rueckkopplung
摘要
申请公布号
DE860226(C)
申请公布日期
1952.12.18
申请号
DE1934S007645D
申请日期
1934.12.09
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
WERRMANN HELLMUT DR.-ING.
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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