NOISE CANCELLATION CIRCUIT,申请号GB19790028267-传众专利搜索

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发明名称	NOISE CANCELLATION CIRCUIT
摘要
申请公布号	GB2029672(B)	申请公布日期	1983.01.19
申请号	GB19790028267	申请日期	1979.08.14
申请人	RCA CORP	发明人
分类号	H04N5/213;H04N5/21;(IPC1-7):H04B1/12;H04N5/44	主分类号	H04N5/213
代理机构		代理人
主权项
地址

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