RIVELATORE DI TONO DTMF DIGITALE.,申请号IT19890020392-传众专利搜索

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发明名称	RIVELATORE DI TONO DTMF DIGITALE.
摘要
申请公布号	IT1229347(B)	申请公布日期	1991.08.08
申请号	IT19890020392	申请日期	1989.05.05
申请人	MITEL CORP.	发明人	JERRY STROOBACH
分类号	H04Q1/457;(IPC1-7):H04M/	主分类号	H04Q1/457
代理机构		代理人
主权项
地址

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