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发明名称
Netzwerk mit veränderbarer Frequenzabhängigkeit und Dämpfung.
摘要
申请公布号
AT151592(B)
申请公布日期
1937.11.25
申请号
ATD151592
申请日期
1937.01.07
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DIPL. ING. KARL SCHERER
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