CONFERENCE CIRCUIT FOR TELEPHONE SWITCHING SYSTEMS,申请号CAD692063-传众专利搜索

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发明名称	CONFERENCE CIRCUIT FOR TELEPHONE SWITCHING SYSTEMS
摘要
申请公布号	CA692063(A)	申请公布日期	1964.08.04
申请号	CAD692063	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	ALFRED ZAROUNI
分类号		主分类号
代理机构		代理人
主权项
地址

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