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发明名称
Verfahren und Anordnung zum Gegennebensprechausgleich in Fernmeldeanlagen.
摘要
申请公布号
AT124190(B)
申请公布日期
1931.08.25
申请号
ATD124190
申请日期
1930.04.30
申请人
OESTERREICHISCHE SIEMENS-SCHUCKERT-WERKE
发明人
DR. ING. FRITZ HAAS
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