CALLING PARTY IDENTIFICATION FOR AUTOMATIC TELEPHONE SYSTEMS,申请号CAD471342-传众专利搜索

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发明名称	CALLING PARTY IDENTIFICATION FOR AUTOMATIC TELEPHONE SYSTEMS
摘要
申请公布号	CA471342(A)	申请公布日期	1951.02.06
申请号	CAD471342	申请日期
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	GERALD DEAKIN
分类号		主分类号
代理机构		代理人
主权项
地址

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