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经营范围
发明名称
Zwei- oder mehranodige gas- und/oder dampfgefuellte Gleichrichterroehre, in der die Gluehkathode innerhalb eines Kathodenschirmes angeordnet ist
摘要
申请公布号
DE897294(C)
申请公布日期
1953.11.19
申请号
DE1944N002236D
申请日期
1944.03.07
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
KUIPERS MINNE
分类号
H01J17/06
主分类号
H01J17/06
代理机构
代理人
主权项
地址
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