Elektronrør med gitre, hvis tråde befinder sig bag ved hinanden, og med en anode med hulheder.,申请号DK19610002619-传众专利搜索

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发明名称	Elektronrør med gitre, hvis tråde befinder sig bag ved hinanden, og med en anode med hulheder.
摘要
申请公布号	DK98516(C)	申请公布日期	1964.04.20
申请号	DK19610002619	申请日期	1961.06.26
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J;(IPC1-7):H01J	主分类号	H01J
代理机构		代理人
主权项
地址

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