Beam alignment device for plural beam tubes,申请号US19540442099-传众专利搜索

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发明名称	Beam alignment device for plural beam tubes
摘要
申请公布号	US2719242(A)	申请公布日期	1955.09.27
申请号	US19540442099	申请日期	1954.07.08
申请人	RADIO CORPORATION OF AMERICA	发明人	FRIEND ALBERT W.
分类号	H01J29/70	主分类号	H01J29/70
代理机构		代理人
主权项
地址

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