Magnetically forcused electron discharge device,申请号US19520275155-传众专利搜索

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发明名称	Magnetically forcused electron discharge device
摘要
申请公布号	US2748307(A)	申请公布日期	1956.05.29
申请号	US19520275155	申请日期	1952.03.06
申请人	GENERAL ELECTRIC COMPANY	发明人	JR. JOHN S. HICKEY,
分类号	H01J21/18	主分类号	H01J21/18
代理机构		代理人
主权项
地址

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