Automatic telephone exchange systems with registering of called lines,申请号US19640375009-传众专利搜索

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发明名称	Automatic telephone exchange systems with registering of called lines
摘要
申请公布号	US3347993(A)	申请公布日期	1967.10.17
申请号	US19640375009	申请日期	1964.06.15
申请人	ASSOCIATED ELECTRICAL INDUSTRIES LIMITED	发明人	WARMAN BLOOMFIELD JAMES;MARSHALL JOHN HERBERT
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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