Electron optical system and method,申请号US19450607849-传众专利搜索

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发明名称	Electron optical system and method
摘要
申请公布号	US2443107(A)	申请公布日期	1948.06.08
申请号	US19450607849	申请日期	1945.07.30
申请人	RADIO CORPORATION	发明人	HILLIER JAMES
分类号	H01J37/27;H01J37/295	主分类号	H01J37/27
代理机构		代理人
主权项
地址

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