Method of sound reproduction accompanied by pictures,申请号US19490102792-传众专利搜索

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发明名称	Method of sound reproduction accompanied by pictures
摘要
申请公布号	US2606476(A)	申请公布日期	1952.08.12
申请号	US19490102792	申请日期	1949.07.02
申请人	THE VITARAMA CORPORATION	发明人	WALLER FRED;DRESSER WILLIS ROBERT
分类号	G03B31/00;G03B31/06	主分类号	G03B31/00
代理机构		代理人
主权项
地址

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