TELEPHONE OR LIKE SYSTEMS,申请号CAD493490-传众专利搜索

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发明名称	TELEPHONE OR LIKE SYSTEMS
摘要
申请公布号	CA493490(A)	申请公布日期	1953.06.09
申请号	CAD493490	申请日期
申请人	AUTOMATIC TELEPHONE AND ELECTRIC COMPANY LIMITED	发明人	GEORGE T. BAKER
分类号		主分类号
代理机构		代理人
主权项
地址

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