SELECTIVE AUTOMATIC SERVICE OBSERVING IN COMMUNICATION SYSTEMS,申请号CAD881761-传众专利搜索

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发明名称	SELECTIVE AUTOMATIC SERVICE OBSERVING IN COMMUNICATION SYSTEMS
摘要
申请公布号	CA881761(A)	申请公布日期	1971.09.21
申请号	CAD881761	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	HARVEY RUBIN;ROBERT M. TAYLOR;EDWARD J. WILKENS, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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