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发明名称
Verstärkerschaltung.
摘要
申请公布号
AT139993(B)
申请公布日期
1934.12.27
申请号
ATD139993
申请日期
1933.05.23
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
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