Improvements in or relating to gasfilled electric discharge tubes,申请号GB19340012200-传众专利搜索

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发明名称	Improvements in or relating to gasfilled electric discharge tubes
摘要
申请公布号	GB420484(A)	申请公布日期	1934.12.03
申请号	GB19340012200	申请日期	1934.04.23
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J61/70;H01J61/96	主分类号	H01J61/70
代理机构		代理人
主权项
地址

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