Tunable electron discharge device,申请号US19480054540-传众专利搜索

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发明名称	Tunable electron discharge device
摘要
申请公布号	US2629069(A)	申请公布日期	1953.02.17
申请号	US19480054540	申请日期	1948.10.14
申请人	RAYTHEON MANUFACTURING COMPANY	发明人	RUE ALBERT D. LA
分类号	H01J23/213	主分类号	H01J23/213
代理机构		代理人
主权项
地址

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