Improvements in supports for filamentary cathodes in thermionic valves,申请号GB19360014426-传众专利搜索

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发明名称	Improvements in supports for filamentary cathodes in thermionic valves
摘要
申请公布号	GB475521(A)	申请公布日期	1937.11.22
申请号	GB19360014426	申请日期	1936.05.21
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J1/18	主分类号	H01J1/18
代理机构		代理人
主权项
地址

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