ELECTRONIC TELEGRAPH REPEATER,申请号CAD510163-传众专利搜索

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发明名称	ELECTRONIC TELEGRAPH REPEATER
摘要
申请公布号	CA510163(A)	申请公布日期	1955.02.15
申请号	CAD510163	申请日期
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	TREVOR L. WALTERS
分类号		主分类号
代理机构		代理人
主权项
地址

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