SELF CHECKING COMMUNICATIONS SYSTEM,申请号CAD576941-传众专利搜索

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发明名称	SELF CHECKING COMMUNICATIONS SYSTEM
摘要
申请公布号	CA576941(A)	申请公布日期	1959.06.02
申请号	CAD576941	申请日期
申请人	AUTOMATIC TELEPHONE AND ELECTRIC COMPANY LIMITED	发明人	RONALD THREADGOLD;ALAN DAVISON
分类号		主分类号
代理机构		代理人
主权项
地址

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