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发明名称
Schaltung zur Verstärkung von Hochfrequenzschwingungen.
摘要
申请公布号
AT142045(B)
申请公布日期
1935.06.11
申请号
ATD142045
申请日期
1934.01.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
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