Improvements in or relating to incandescent cathode for use in gas or vapour filled discharged tubes,申请号GB19460022917-传众专利搜索

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发明名称	Improvements in or relating to incandescent cathode for use in gas or vapour filled discharged tubes
摘要
申请公布号	GB601200(A)	申请公布日期	1948.04.29
申请号	GB19460022917	申请日期	1946.08.01
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J61/067	主分类号	H01J61/067
代理机构		代理人
主权项
地址

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