Digitally controlled ringer signal generation,申请号GB19950007685-传众专利搜索

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发明名称	Digitally controlled ringer signal generation
摘要
申请公布号	GB9507685(D0)	申请公布日期	1995.05.31
申请号	GB19950007685	申请日期	1992.06.08
申请人	MITEL CORPORATION	发明人
分类号	G08B3/10;H04M19/04	主分类号	G08B3/10
代理机构		代理人
主权项
地址

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