Improvements in or relating to electron discharge devices,申请号GB19440008059-传众专利搜索

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发明名称	Improvements in or relating to electron discharge devices
摘要
申请公布号	GB590465(A)	申请公布日期	1947.07.18
申请号	GB19440008059	申请日期	1944.04.28
申请人	RAYTHEON MANUFACTURING COMPANY	发明人
分类号	H01J23/16	主分类号	H01J23/16
代理机构		代理人
主权项
地址

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