Band width reducing system and method,申请号US19500180148-传众专利搜索

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发明名称	Band width reducing system and method
摘要
申请公布号	US2627549(A)	申请公布日期	1953.02.03
申请号	US19500180148	申请日期	1950.08.18
申请人	RADIO CORPORATION OF AMERICA	发明人	KELL RAY D.
分类号	H04N11/12	主分类号	H04N11/12
代理机构		代理人
主权项
地址

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