Thermionic cathode gas-filled discharge tube,申请号US19340746000-传众专利搜索

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发明名称	Thermionic cathode gas-filled discharge tube
摘要
申请公布号	US2058690(A)	申请公布日期	1936.10.27
申请号	US19340746000	申请日期	1934.09.28
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人	HOLST GILLES;MULDER JOHANNES GIJSBERTUS WILHELM
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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