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发明名称
Vorrichtung zur Verstaerkung kleiner Spannungen mit einer elektrischen Entladungsroehre
摘要
申请公布号
DE809220(C)
申请公布日期
1951.07.26
申请号
DE1948P019560
申请日期
1948.10.26
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
OVERBEEK ADRIANUS JOHANNES WILHELMUS MARIE VAN
分类号
H01J21/14;H01J25/00
主分类号
H01J21/14
代理机构
代理人
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地址
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