Multi-frequency tone detector,申请号GB20000006576-传众专利搜索

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发明名称	Multi-frequency tone detector
摘要
申请公布号	GB0006576(D0)	申请公布日期	2000.05.10
申请号	GB20000006576	申请日期	2000.03.17
申请人	MITEL CORPORATION	发明人
分类号	H04Q1/46	主分类号	H04Q1/46
代理机构		代理人
主权项
地址

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