Gasfilled incandescent cathode discharge tube,申请号US19280267623-传众专利搜索

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发明名称	Gasfilled incandescent cathode discharge tube
摘要
申请公布号	US1935846(A)	申请公布日期	1933.11.21
申请号	US19280267623	申请日期	1928.04.05
申请人	N. V. PHILLIPS' GLOEILAMPENFABRIEKEN	发明人	HOLST GILLES
分类号	H01J17/30	主分类号	H01J17/30
代理机构		代理人
主权项
地址

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