Improvements in or relating to electron discharge devices,申请号GB19430019589-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	GB592397(A)	申请公布日期	1947.09.17
申请号	GB19430019589	申请日期	1943.11.23
申请人	WESTERN ELECTRIC COMPANY INCORPORATED	发明人
分类号	B26F1/24;H01J25/24	主分类号	B26F1/24
代理机构		代理人
主权项
地址

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