Low noise electron gun,申请号US19630296632-传众专利搜索

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发明名称	Low noise electron gun
摘要
申请公布号	US3214632(A)	申请公布日期	1965.10.26
申请号	US19630296632	申请日期	1963.07.22
申请人	GENERAL ELECTRIC COMPANY	发明人	HARMAN WARD A.
分类号	H01J23/075	主分类号	H01J23/075
代理机构		代理人
主权项
地址

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