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发明名称
Anordnung zur Erzeugung von Schwingungsinterferenzen in dem Anodenkreis einer Doppelgitterroehre
摘要
申请公布号
DE513687(C)
申请公布日期
1930.12.01
申请号
DENDATS061705D
申请日期
申请人
SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE AKT.-GES.
发明人
分类号
H03D7/10
主分类号
H03D7/10
代理机构
代理人
主权项
地址
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