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发明名称
Einrichtung zur optischen Spannungsanzeige mittels einer Elektronenentladungsvorrichtung, bzw. Elektronenentladungsvorrichtung für dieselbe.
摘要
申请公布号
AT150780(B)
申请公布日期
1937.09.25
申请号
ATD150780
申请日期
1936.06.19
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
主分类号
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