RELAY AUTOMATIC TELEPHONE SYSTEMS,申请号CAD526324-传众专利搜索

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发明名称	RELAY AUTOMATIC TELEPHONE SYSTEMS
摘要
申请公布号	CA526324(A)	申请公布日期	1956.06.12
申请号	CAD526324	申请日期
申请人	NORTHERN ELECTRIC COMPANY	发明人	ROY W. JONES;JOHN H. VOSS
分类号		主分类号
代理机构		代理人
主权项
地址

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