METHOD OF AND ELECTRONIC DEVICE FOR DETECTING THE LIFTING OF THE TELEPHONE HANDSET IN PRESENCE OF RINGING CURRENT,申请号EP19830102858-传众专利搜索

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发明名称	METHOD OF AND ELECTRONIC DEVICE FOR DETECTING THE LIFTING OF THE TELEPHONE HANDSET IN PRESENCE OF RINGING CURRENT
摘要
申请公布号	EP0089687(A3)	申请公布日期	1984.12.19
申请号	EP19830102858	申请日期	1983.03.22
申请人	CSELT CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.	发明人	MELINDO, FLAVIO;SARTORI, MARIO
分类号	H04M3/02;H04M19/02;(IPC1-7):H04Q3/00	主分类号	H04M3/02
代理机构		代理人
主权项
地址

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