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发明名称
Vorrichtung mit einer elektrischen Entladungsroehre
摘要
申请公布号
DE857547(C)
申请公布日期
1952.12.01
申请号
DE1942N002310D
申请日期
1942.08.04
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
JONKER JOHAN LODEWIJK HENDRIK
分类号
H01J21/14
主分类号
H01J21/14
代理机构
代理人
主权项
地址
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