Circuits de signalisation, en particulier pour systèmes téléphoniques,申请号BE19610610840-传众专利搜索

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发明名称	Circuits de signalisation, en particulier pour systèmes téléphoniques
摘要
申请公布号	BE610840(A1)	申请公布日期	1962.03.16
申请号	BE19610610840	申请日期	1961.11.27
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	JOSEPH MICHAL;ROBERT OLIVER RIPPERE
分类号	H04Q3/62;(IPC1-7):H04M	主分类号	H04Q3/62
代理机构		代理人
主权项
地址

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