Electron discharge vessels,申请号GB19450002876-传众专利搜索

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发明名称	Electron discharge vessels
摘要
申请公布号	GB592015(A)	申请公布日期	1947.09.04
申请号	GB19450002876	申请日期	1945.02.05
申请人	HENRY ALFRED DE PHILLIPS	发明人
分类号	H01J33/00	主分类号	H01J33/00
代理机构		代理人
主权项
地址

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