Electron emitting electrode,申请号US19520318784-传众专利搜索

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发明名称	Electron emitting electrode
摘要
申请公布号	US2813991(A)	申请公布日期	1957.11.19
申请号	US19520318784	申请日期	1952.11.05
申请人	GENERAL ELECTRIC COMPANY	发明人	TAFT ERNEST A.;APKER LE ROY
分类号	H01J35/00;H01J40/00	主分类号	H01J35/00
代理机构		代理人
主权项
地址

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