Subscription television receiver and method of operating the same,申请号US19550501104-传众专利搜索

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发明名称	Subscription television receiver and method of operating the same
摘要
申请公布号	US2994739(A)	申请公布日期	1961.08.01
申请号	US19550501104	申请日期	1955.04.13
申请人	ZENITH RADIO CORPORATION	发明人	ROSCHKE ERWIN M.
分类号	H04N7/169	主分类号	H04N7/169
代理机构		代理人
主权项
地址

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