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发明名称
Verfahren und Schaltung zur Erhöhung der Rauschfreiheit bei Übertragung elektrischer Schwingungen
摘要
申请公布号
AT165846(B)
申请公布日期
1950.04.25
申请号
ATD165846
申请日期
1947.12.29
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
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地址
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