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发明名称
Mehrstufiger Verstärker mit positiver und negativer Rückkopplung.
摘要
申请公布号
AT158832(B)
申请公布日期
1940.05.25
申请号
ATD158832
申请日期
1937.03.05
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DIPL.-ING. RUDOLF PALME
分类号
主分类号
代理机构
代理人
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