Message transmitting projecting system,申请号US19380209041-传众专利搜索

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发明名称	Message transmitting projecting system
摘要
申请公布号	US2148450(A)	申请公布日期	1939.02.28
申请号	US19380209041	申请日期	1938.05.20
申请人	NEWS PROJECTION CORPORATION	发明人	EITZEN AUGUST D.
分类号	G09F13/28	主分类号	G09F13/28
代理机构		代理人
主权项
地址

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