Emissionsquelle fuer Elektronenstrahlen in Wanderfeld-Wendelroehren,申请号DE1950C002941-传众专利搜索

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发明名称	Emissionsquelle fuer Elektronenstrahlen in Wanderfeld-Wendelroehren
摘要
申请公布号	DE857549(C)	申请公布日期	1952.12.01
申请号	DE1950C002941	申请日期	1950.10.01
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人	HUBER HARRY
分类号	H01J23/065	主分类号	H01J23/065
代理机构		代理人
主权项
地址

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