Cathode ray image projecting device,申请号US19400354629-传众专利搜索

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发明名称	Cathode ray image projecting device
摘要
申请公布号	US2233037(A)	申请公布日期	1941.02.25
申请号	US19400354629	申请日期	1940.08.29
申请人	SMITH LESTER H	发明人	SMITH LESTER H.
分类号	G03G15/32;H01J29/12;H04N5/74	主分类号	G03G15/32
代理机构		代理人
主权项
地址

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